291528960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 216

約数和(自身を含む): 974252160

約数和(自身を除く): 682723200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 79, 80, 93, 96, 120, 124, 128, 155, 158, 160, 186, 192, 237, 240, 248, 256, 310, 316, 320, 372, 384, 395, 465, 474, 480, 496, 620, 632, 640, 744, 768, 790, 930, 948, 960, 961, 992, 1185, 1240, 1264, 1280, 1488, 1580, 1860, 1896, 1920, 1922, 1984, 2370, 2449, 2480, 2528, 2883, 2976, 3160, 3720, 3792, 3840, 3844, 3968, 4740, 4805, 4898, 4960, 5056, 5766, 5952, 6320, 7347, 7440, 7584, 7688, 7936, 9480, 9610, 9796, 9920, 10112, 11532, 11904, 12245, 12640, 14415, 14694, 14880, 15168, 15376, 18960, 19220, 19592, 19840, 20224, 23064, 23808, 24490, 25280, 28830, 29388, 29760, 30336, 30752, 36735, 37920, 38440, 39184, 39680, 46128, 48980, 50560, 57660, 58776, 59520, 60672, 61504, 73470, 75840, 75919, 76880, 78368, 92256, 97960, 101120, 115320, 117552, 119040, 123008, 146940, 151680, 151838, 153760, 156736, 184512, 195920, 227757, 230640, 235104, 246016, 293880, 303360, 303676, 307520, 313472, 369024, 379595, 391840, 455514, 461280, 470208, 587760, 607352, 615040, 626944, 738048, 759190, 783680, 911028, 922560, 940416, 1138785, 1175520, 1214704, 1230080, 1518380, 1567360, 1822056, 1845120, 1880832, 2277570, 2351040, 2429408, 3036760, 3134720, 3644112, 3690240, 4555140, 4702080, 4858816, 6073520, 7288224, 9110280, 9404160, 9717632, 12147040, 14576448, 18220560, 19435264, 24294080, 29152896, 36441120, 48588160, 58305792, 72882240, 97176320, 145764480, 291528960]

約数ペア:

[(1, 291528960), (2, 145764480), (3, 97176320), (4, 72882240), (5, 58305792), (6, 48588160), (8, 36441120), (10, 29152896), (12, 24294080), (15, 19435264), (16, 18220560), (20, 14576448), (24, 12147040), (30, 9717632), (31, 9404160), (32, 9110280), (40, 7288224), (48, 6073520), (60, 4858816), (62, 4702080), (64, 4555140), (79, 3690240), (80, 3644112), (93, 3134720), (96, 3036760), (120, 2429408), (124, 2351040), (128, 2277570), (155, 1880832), (158, 1845120), (160, 1822056), (186, 1567360), (192, 1518380), (237, 1230080), (240, 1214704), (248, 1175520), (256, 1138785), (310, 940416), (316, 922560), (320, 911028), (372, 783680), (384, 759190), (395, 738048), (465, 626944), (474, 615040), (480, 607352), (496, 587760), (620, 470208), (632, 461280), (640, 455514), (744, 391840), (768, 379595), (790, 369024), (930, 313472), (948, 307520), (960, 303676), (961, 303360), (992, 293880), (1185, 246016), (1240, 235104), (1264, 230640), (1280, 227757), (1488, 195920), (1580, 184512), (1860, 156736), (1896, 153760), (1920, 151838), (1922, 151680), (1984, 146940), (2370, 123008), (2449, 119040), (2480, 117552), (2528, 115320), (2883, 101120), (2976, 97960), (3160, 92256), (3720, 78368), (3792, 76880), (3840, 75919), (3844, 75840), (3968, 73470), (4740, 61504), (4805, 60672), (4898, 59520), (4960, 58776), (5056, 57660), (5766, 50560), (5952, 48980), (6320, 46128), (7347, 39680), (7440, 39184), (7584, 38440), (7688, 37920), (7936, 36735), (9480, 30752), (9610, 30336), (9796, 29760), (9920, 29388), (10112, 28830), (11532, 25280), (11904, 24490), (12245, 23808), (12640, 23064), (14415, 20224), (14694, 19840), (14880, 19592), (15168, 19220), (15376, 18960)]