81676696960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^2\times {\mathrm{79}}^1$

素因数の和:242

約数の個数: 288

約数和(自身を含む): 209418933600

約数和(自身を除く): 127742236640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 79, 80, 82, 124, 128, 155, 158, 160, 164, 205, 248, 310, 316, 320, 328, 395, 410, 496, 620, 632, 640, 656, 790, 820, 961, 992, 1240, 1264, 1271, 1312, 1580, 1640, 1681, 1922, 1984, 2449, 2480, 2528, 2542, 2624, 3160, 3239, 3280, 3362, 3844, 3968, 4805, 4898, 4960, 5056, 5084, 5248, 6320, 6355, 6478, 6560, 6724, 7688, 8405, 9610, 9796, 9920, 10112, 10168, 12245, 12640, 12710, 12956, 13120, 13448, 15376, 16195, 16810, 19220, 19592, 19840, 20336, 24490, 25280, 25420, 25912, 26240, 26896, 30752, 32390, 33620, 38440, 39184, 39401, 40672, 48980, 50560, 50840, 51824, 52111, 53792, 61504, 64780, 67240, 75919, 76880, 78368, 78802, 81344, 97960, 100409, 101680, 103648, 104222, 107584, 123008, 129560, 132799, 134480, 151838, 153760, 156736, 157604, 162688, 195920, 197005, 200818, 203360, 207296, 208444, 215168, 259120, 260555, 265598, 268960, 303676, 307520, 313472, 315208, 379595, 391840, 394010, 401636, 406720, 414592, 416888, 502045, 518240, 521110, 531196, 537920, 607352, 615040, 630416, 663995, 759190, 783680, 788020, 803272, 813440, 833776, 1004090, 1036480, 1042220, 1062392, 1075840, 1214704, 1260832, 1327990, 1518380, 1567360, 1576040, 1606544, 1615441, 1667552, 2008180, 2072960, 2084440, 2124784, 2429408, 2521664, 2655980, 3036760, 3112679, 3152080, 3213088, 3230882, 3335104, 4016360, 4116769, 4168880, 4249568, 4858816, 5043328, 5311960, 6073520, 6225358, 6304160, 6426176, 6461764, 6670208, 8032720, 8077205, 8233538, 8337760, 8499136, 9717632, 10623920, 12147040, 12450716, 12608320, 12852352, 12923528, 15563395, 16065440, 16154410, 16467076, 16675520, 16998272, 20583845, 21247840, 24294080, 24901432, 25216640, 25847056, 31126790, 32130880, 32308820, 32934152, 33351040, 41167690, 42495680, 48588160, 49802864, 51694112, 62253580, 64261760, 64617640, 65868304, 82335380, 84991360, 99605728, 103388224, 124507160, 127619839, 129235280, 131736608, 164670760, 199211456, 206776448, 249014320, 255239678, 258470560, 263473216, 329341520, 398422912, 498028640, 510479356, 516941120, 526946432, 638099195, 658683040, 996057280, 1020958712, 1033882240, 1276198390, 1317366080, 1992114560, 2041917424, 2552396780, 2634732160, 4083834848, 5104793560, 8167669696, 10209587120, 16335339392, 20419174240, 40838348480, 81676696960]

約数ペア:

[(1, 81676696960), (2, 40838348480), (4, 20419174240), (5, 16335339392), (8, 10209587120), (10, 8167669696), (16, 5104793560), (20, 4083834848), (31, 2634732160), (32, 2552396780), (40, 2041917424), (41, 1992114560), (62, 1317366080), (64, 1276198390), (79, 1033882240), (80, 1020958712), (82, 996057280), (124, 658683040), (128, 638099195), (155, 526946432), (158, 516941120), (160, 510479356), (164, 498028640), (205, 398422912), (248, 329341520), (310, 263473216), (316, 258470560), (320, 255239678), (328, 249014320), (395, 206776448), (410, 199211456), (496, 164670760), (620, 131736608), (632, 129235280), (640, 127619839), (656, 124507160), (790, 103388224), (820, 99605728), (961, 84991360), (992, 82335380), (1240, 65868304), (1264, 64617640), (1271, 64261760), (1312, 62253580), (1580, 51694112), (1640, 49802864), (1681, 48588160), (1922, 42495680), (1984, 41167690), (2449, 33351040), (2480, 32934152), (2528, 32308820), (2542, 32130880), (2624, 31126790), (3160, 25847056), (3239, 25216640), (3280, 24901432), (3362, 24294080), (3844, 21247840), (3968, 20583845), (4805, 16998272), (4898, 16675520), (4960, 16467076), (5056, 16154410), (5084, 16065440), (5248, 15563395), (6320, 12923528), (6355, 12852352), (6478, 12608320), (6560, 12450716), (6724, 12147040), (7688, 10623920), (8405, 9717632), (9610, 8499136), (9796, 8337760), (9920, 8233538), (10112, 8077205), (10168, 8032720), (12245, 6670208), (12640, 6461764), (12710, 6426176), (12956, 6304160), (13120, 6225358), (13448, 6073520), (15376, 5311960), (16195, 5043328), (16810, 4858816), (19220, 4249568), (19592, 4168880), (19840, 4116769), (20336, 4016360), (24490, 3335104), (25280, 3230882), (25420, 3213088), (25912, 3152080), (26240, 3112679), (26896, 3036760), (30752, 2655980), (32390, 2521664), (33620, 2429408), (38440, 2124784), (39184, 2084440), (39401, 2072960), (40672, 2008180), (48980, 1667552), (50560, 1615441), (50840, 1606544), (51824, 1576040), (52111, 1567360), (53792, 1518380), (61504, 1327990), (64780, 1260832), (67240, 1214704), (75919, 1075840), (76880, 1062392), (78368, 1042220), (78802, 1036480), (81344, 1004090), (97960, 833776), (100409, 813440), (101680, 803272), (103648, 788020), (104222, 783680), (107584, 759190), (123008, 663995), (129560, 630416), (132799, 615040), (134480, 607352), (151838, 537920), (153760, 531196), (156736, 521110), (157604, 518240), (162688, 502045), (195920, 416888), (197005, 414592), (200818, 406720), (203360, 401636), (207296, 394010), (208444, 391840), (215168, 379595), (259120, 315208), (260555, 313472), (265598, 307520), (268960, 303676)]