1381371720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:612

約数の個数: 256

約数和(自身を含む): 4665600000

約数和(自身を除く): 3284228280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 59, 60, 68, 69, 85, 92, 102, 115, 118, 120, 136, 138, 170, 177, 184, 204, 230, 236, 255, 276, 295, 340, 345, 354, 391, 408, 460, 472, 499, 510, 552, 590, 680, 690, 708, 782, 885, 920, 998, 1003, 1020, 1173, 1180, 1357, 1380, 1416, 1497, 1564, 1770, 1955, 1996, 2006, 2040, 2346, 2360, 2495, 2714, 2760, 2994, 3009, 3128, 3540, 3910, 3992, 4012, 4071, 4692, 4990, 5015, 5428, 5865, 5988, 6018, 6785, 7080, 7485, 7820, 8024, 8142, 8483, 9384, 9980, 10030, 10856, 11477, 11730, 11976, 12036, 13570, 14970, 15045, 15640, 16284, 16966, 19960, 20060, 20355, 22954, 23069, 23460, 24072, 25449, 27140, 29441, 29940, 30090, 32568, 33932, 34431, 40120, 40710, 42415, 45908, 46138, 46920, 50898, 54280, 57385, 58882, 59880, 60180, 67864, 68862, 69207, 81420, 84830, 88323, 91816, 92276, 101796, 114770, 115345, 117764, 120360, 127245, 137724, 138414, 147205, 162840, 169660, 172155, 176646, 184552, 195109, 203592, 229540, 230690, 235528, 254490, 275448, 276828, 294410, 339320, 344310, 346035, 353292, 390218, 441615, 459080, 461380, 500497, 508980, 553656, 585327, 588820, 677143, 688620, 692070, 706584, 780436, 883230, 922760, 975545, 1000994, 1017960, 1170654, 1177640, 1354286, 1377240, 1384140, 1501491, 1560872, 1766460, 1951090, 2001988, 2031429, 2341308, 2502485, 2708572, 2768280, 2926635, 3002982, 3385715, 3532920, 3902180, 4003976, 4062858, 4682616, 5004970, 5417144, 5853270, 6005964, 6771430, 7507455, 7804360, 8125716, 10009940, 10157145, 11511431, 11706540, 12011928, 13542860, 15014910, 16251432, 20019880, 20314290, 23022862, 23413080, 27085720, 30029820, 34534293, 40628580, 46045724, 57557155, 60059640, 69068586, 81257160, 92091448, 115114310, 138137172, 172671465, 230228620, 276274344, 345342930, 460457240, 690685860, 1381371720]

約数ペア:

[(1, 1381371720), (2, 690685860), (3, 460457240), (4, 345342930), (5, 276274344), (6, 230228620), (8, 172671465), (10, 138137172), (12, 115114310), (15, 92091448), (17, 81257160), (20, 69068586), (23, 60059640), (24, 57557155), (30, 46045724), (34, 40628580), (40, 34534293), (46, 30029820), (51, 27085720), (59, 23413080), (60, 23022862), (68, 20314290), (69, 20019880), (85, 16251432), (92, 15014910), (102, 13542860), (115, 12011928), (118, 11706540), (120, 11511431), (136, 10157145), (138, 10009940), (170, 8125716), (177, 7804360), (184, 7507455), (204, 6771430), (230, 6005964), (236, 5853270), (255, 5417144), (276, 5004970), (295, 4682616), (340, 4062858), (345, 4003976), (354, 3902180), (391, 3532920), (408, 3385715), (460, 3002982), (472, 2926635), (499, 2768280), (510, 2708572), (552, 2502485), (590, 2341308), (680, 2031429), (690, 2001988), (708, 1951090), (782, 1766460), (885, 1560872), (920, 1501491), (998, 1384140), (1003, 1377240), (1020, 1354286), (1173, 1177640), (1180, 1170654), (1357, 1017960), (1380, 1000994), (1416, 975545), (1497, 922760), (1564, 883230), (1770, 780436), (1955, 706584), (1996, 692070), (2006, 688620), (2040, 677143), (2346, 588820), (2360, 585327), (2495, 553656), (2714, 508980), (2760, 500497), (2994, 461380), (3009, 459080), (3128, 441615), (3540, 390218), (3910, 353292), (3992, 346035), (4012, 344310), (4071, 339320), (4692, 294410), (4990, 276828), (5015, 275448), (5428, 254490), (5865, 235528), (5988, 230690), (6018, 229540), (6785, 203592), (7080, 195109), (7485, 184552), (7820, 176646), (8024, 172155), (8142, 169660), (8483, 162840), (9384, 147205), (9980, 138414), (10030, 137724), (10856, 127245), (11477, 120360), (11730, 117764), (11976, 115345), (12036, 114770), (13570, 101796), (14970, 92276), (15045, 91816), (15640, 88323), (16284, 84830), (16966, 81420), (19960, 69207), (20060, 68862), (20355, 67864), (22954, 60180), (23069, 59880), (23460, 58882), (24072, 57385), (25449, 54280), (27140, 50898), (29441, 46920), (29940, 46138), (30090, 45908), (32568, 42415), (33932, 40710), (34431, 40120)]