400666320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:698

約数の個数: 240

約数和(自身を含む): 1439193600

約数和(自身を除く): 1038527280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 31, 36, 40, 45, 48, 58, 60, 62, 72, 80, 87, 90, 93, 116, 120, 124, 144, 145, 155, 174, 180, 186, 232, 240, 248, 261, 279, 290, 310, 348, 360, 372, 435, 464, 465, 496, 522, 558, 580, 619, 620, 696, 720, 744, 870, 899, 930, 1044, 1116, 1160, 1238, 1240, 1305, 1392, 1395, 1488, 1740, 1798, 1857, 1860, 2088, 2232, 2320, 2476, 2480, 2610, 2697, 2790, 3095, 3480, 3596, 3714, 3720, 4176, 4464, 4495, 4952, 5220, 5394, 5571, 5580, 6190, 6960, 7192, 7428, 7440, 8091, 8990, 9285, 9904, 10440, 10788, 11142, 11160, 12380, 13485, 14384, 14856, 16182, 17951, 17980, 18570, 19189, 20880, 21576, 22284, 22320, 24760, 26970, 27855, 29712, 32364, 35902, 35960, 37140, 38378, 40455, 43152, 44568, 49520, 53853, 53940, 55710, 57567, 64728, 71804, 71920, 74280, 76756, 80910, 89136, 89755, 95945, 107706, 107880, 111420, 115134, 129456, 143608, 148560, 153512, 161559, 161820, 172701, 179510, 191890, 215412, 215760, 222840, 230268, 269265, 287216, 287835, 307024, 323118, 323640, 345402, 359020, 383780, 430824, 445680, 460536, 538530, 556481, 575670, 646236, 647280, 690804, 718040, 767560, 807795, 861648, 863505, 921072, 1077060, 1112962, 1151340, 1292472, 1381608, 1436080, 1535120, 1615590, 1669443, 1727010, 2154120, 2225924, 2302680, 2584944, 2763216, 2782405, 3231180, 3338886, 3454020, 4308240, 4451848, 4605360, 5008329, 5564810, 6462360, 6677772, 6908040, 8347215, 8903696, 10016658, 11129620, 12924720, 13355544, 13816080, 16694430, 20033316, 22259240, 25041645, 26711088, 33388860, 40066632, 44518480, 50083290, 66777720, 80133264, 100166580, 133555440, 200333160, 400666320]

約数ペア:

[(1, 400666320), (2, 200333160), (3, 133555440), (4, 100166580), (5, 80133264), (6, 66777720), (8, 50083290), (9, 44518480), (10, 40066632), (12, 33388860), (15, 26711088), (16, 25041645), (18, 22259240), (20, 20033316), (24, 16694430), (29, 13816080), (30, 13355544), (31, 12924720), (36, 11129620), (40, 10016658), (45, 8903696), (48, 8347215), (58, 6908040), (60, 6677772), (62, 6462360), (72, 5564810), (80, 5008329), (87, 4605360), (90, 4451848), (93, 4308240), (116, 3454020), (120, 3338886), (124, 3231180), (144, 2782405), (145, 2763216), (155, 2584944), (174, 2302680), (180, 2225924), (186, 2154120), (232, 1727010), (240, 1669443), (248, 1615590), (261, 1535120), (279, 1436080), (290, 1381608), (310, 1292472), (348, 1151340), (360, 1112962), (372, 1077060), (435, 921072), (464, 863505), (465, 861648), (496, 807795), (522, 767560), (558, 718040), (580, 690804), (619, 647280), (620, 646236), (696, 575670), (720, 556481), (744, 538530), (870, 460536), (899, 445680), (930, 430824), (1044, 383780), (1116, 359020), (1160, 345402), (1238, 323640), (1240, 323118), (1305, 307024), (1392, 287835), (1395, 287216), (1488, 269265), (1740, 230268), (1798, 222840), (1857, 215760), (1860, 215412), (2088, 191890), (2232, 179510), (2320, 172701), (2476, 161820), (2480, 161559), (2610, 153512), (2697, 148560), (2790, 143608), (3095, 129456), (3480, 115134), (3596, 111420), (3714, 107880), (3720, 107706), (4176, 95945), (4464, 89755), (4495, 89136), (4952, 80910), (5220, 76756), (5394, 74280), (5571, 71920), (5580, 71804), (6190, 64728), (6960, 57567), (7192, 55710), (7428, 53940), (7440, 53853), (8091, 49520), (8990, 44568), (9285, 43152), (9904, 40455), (10440, 38378), (10788, 37140), (11142, 35960), (11160, 35902), (12380, 32364), (13485, 29712), (14384, 27855), (14856, 26970), (16182, 24760), (17951, 22320), (17980, 22284), (18570, 21576), (19189, 20880)]