678661920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:736

約数の個数: 288

約数和(自身を含む): 2498356224

約数和(自身を除く): 1819694304

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 31, 32, 36, 40, 45, 46, 48, 60, 62, 69, 72, 80, 90, 92, 93, 96, 115, 120, 124, 138, 144, 155, 160, 180, 184, 186, 207, 230, 240, 248, 276, 279, 288, 310, 345, 360, 368, 372, 414, 460, 465, 480, 496, 552, 558, 620, 661, 690, 713, 720, 736, 744, 828, 920, 930, 992, 1035, 1104, 1116, 1240, 1322, 1380, 1395, 1426, 1440, 1488, 1656, 1840, 1860, 1983, 2070, 2139, 2208, 2232, 2480, 2644, 2760, 2790, 2852, 2976, 3305, 3312, 3565, 3680, 3720, 3966, 4140, 4278, 4464, 4960, 5288, 5520, 5580, 5704, 5949, 6417, 6610, 6624, 7130, 7440, 7932, 8280, 8556, 8928, 9915, 10576, 10695, 11040, 11160, 11408, 11898, 12834, 13220, 14260, 14880, 15203, 15864, 16560, 17112, 19830, 20491, 21152, 21390, 22320, 22816, 23796, 25668, 26440, 28520, 29745, 30406, 31728, 32085, 33120, 34224, 39660, 40982, 42780, 44640, 45609, 47592, 51336, 52880, 57040, 59490, 60812, 61473, 63456, 64170, 68448, 76015, 79320, 81964, 85560, 91218, 95184, 102455, 102672, 105760, 114080, 118980, 121624, 122946, 128340, 136827, 152030, 158640, 163928, 171120, 182436, 184419, 190368, 204910, 205344, 228045, 237960, 243248, 245892, 256680, 273654, 304060, 307365, 317280, 327856, 342240, 364872, 368838, 409820, 456090, 471293, 475920, 486496, 491784, 513360, 547308, 608120, 614730, 655712, 684135, 729744, 737676, 819640, 912180, 922095, 942586, 951840, 983568, 1026720, 1094616, 1216240, 1229460, 1368270, 1413879, 1459488, 1475352, 1639280, 1824360, 1844190, 1885172, 1967136, 2189232, 2356465, 2432480, 2458920, 2736540, 2827758, 2950704, 3278560, 3648720, 3688380, 3770344, 4241637, 4378464, 4712930, 4917840, 5473080, 5655516, 5901408, 7069395, 7297440, 7376760, 7540688, 8483274, 9425860, 9835680, 10946160, 11311032, 14138790, 14753520, 15081376, 16966548, 18851720, 21208185, 21892320, 22622064, 28277580, 29507040, 33933096, 37703440, 42416370, 45244128, 56555160, 67866192, 75406880, 84832740, 113110320, 135732384, 169665480, 226220640, 339330960, 678661920]

約数ペア:

[(1, 678661920), (2, 339330960), (3, 226220640), (4, 169665480), (5, 135732384), (6, 113110320), (8, 84832740), (9, 75406880), (10, 67866192), (12, 56555160), (15, 45244128), (16, 42416370), (18, 37703440), (20, 33933096), (23, 29507040), (24, 28277580), (30, 22622064), (31, 21892320), (32, 21208185), (36, 18851720), (40, 16966548), (45, 15081376), (46, 14753520), (48, 14138790), (60, 11311032), (62, 10946160), (69, 9835680), (72, 9425860), (80, 8483274), (90, 7540688), (92, 7376760), (93, 7297440), (96, 7069395), (115, 5901408), (120, 5655516), (124, 5473080), (138, 4917840), (144, 4712930), (155, 4378464), (160, 4241637), (180, 3770344), (184, 3688380), (186, 3648720), (207, 3278560), (230, 2950704), (240, 2827758), (248, 2736540), (276, 2458920), (279, 2432480), (288, 2356465), (310, 2189232), (345, 1967136), (360, 1885172), (368, 1844190), (372, 1824360), (414, 1639280), (460, 1475352), (465, 1459488), (480, 1413879), (496, 1368270), (552, 1229460), (558, 1216240), (620, 1094616), (661, 1026720), (690, 983568), (713, 951840), (720, 942586), (736, 922095), (744, 912180), (828, 819640), (920, 737676), (930, 729744), (992, 684135), (1035, 655712), (1104, 614730), (1116, 608120), (1240, 547308), (1322, 513360), (1380, 491784), (1395, 486496), (1426, 475920), (1440, 471293), (1488, 456090), (1656, 409820), (1840, 368838), (1860, 364872), (1983, 342240), (2070, 327856), (2139, 317280), (2208, 307365), (2232, 304060), (2480, 273654), (2644, 256680), (2760, 245892), (2790, 243248), (2852, 237960), (2976, 228045), (3305, 205344), (3312, 204910), (3565, 190368), (3680, 184419), (3720, 182436), (3966, 171120), (4140, 163928), (4278, 158640), (4464, 152030), (4960, 136827), (5288, 128340), (5520, 122946), (5580, 121624), (5704, 118980), (5949, 114080), (6417, 105760), (6610, 102672), (6624, 102455), (7130, 95184), (7440, 91218), (7932, 85560), (8280, 81964), (8556, 79320), (8928, 76015), (9915, 68448), (10576, 64170), (10695, 63456), (11040, 61473), (11160, 60812), (11408, 59490), (11898, 57040), (12834, 52880), (13220, 51336), (14260, 47592), (14880, 45609), (15203, 44640), (15864, 42780), (16560, 40982), (17112, 39660), (19830, 34224), (20491, 33120), (21152, 32085), (21390, 31728), (22320, 30406), (22816, 29745), (23796, 28520), (25668, 26440)]