400456645920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8970803}}^1$

素因数の和:8970855

約数の個数: 144

約数和(自身を含む): 1410640987392

約数和(自身を除く): 1010184341472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4960, 5580, 7440, 8928, 11160, 14880, 22320, 44640, 8970803, 17941606, 26912409, 35883212, 44854015, 53824818, 71766424, 80737227, 89708030, 107649636, 134562045, 143532848, 161474454, 179416060, 215299272, 269124090, 278094893, 287065696, 322948908, 358832120, 403686135, 430598544, 538248180, 556189786, 645897816, 717664240, 807372270, 834284679, 861197088, 1076496360, 1112379572, 1291795632, 1390474465, 1435328480, 1614744540, 1668569358, 2152992720, 2224759144, 2502854037, 2583591264, 2780948930, 3229489080, 3337138716, 4171423395, 4305985440, 4449518288, 5005708074, 5561897860, 6458978160, 6674277432, 8342846790, 8899036576, 10011416148, 11123795720, 12514270185, 12917956320, 13348554864, 16685693580, 20022832296, 22247591440, 25028540370, 26697109728, 33371387160, 40045664592, 44495182880, 50057080740, 66742774320, 80091329184, 100114161480, 133485548640, 200228322960, 400456645920]

約数ペア:

[(1, 400456645920), (2, 200228322960), (3, 133485548640), (4, 100114161480), (5, 80091329184), (6, 66742774320), (8, 50057080740), (9, 44495182880), (10, 40045664592), (12, 33371387160), (15, 26697109728), (16, 25028540370), (18, 22247591440), (20, 20022832296), (24, 16685693580), (30, 13348554864), (31, 12917956320), (32, 12514270185), (36, 11123795720), (40, 10011416148), (45, 8899036576), (48, 8342846790), (60, 6674277432), (62, 6458978160), (72, 5561897860), (80, 5005708074), (90, 4449518288), (93, 4305985440), (96, 4171423395), (120, 3337138716), (124, 3229489080), (144, 2780948930), (155, 2583591264), (160, 2502854037), (180, 2224759144), (186, 2152992720), (240, 1668569358), (248, 1614744540), (279, 1435328480), (288, 1390474465), (310, 1291795632), (360, 1112379572), (372, 1076496360), (465, 861197088), (480, 834284679), (496, 807372270), (558, 717664240), (620, 645897816), (720, 556189786), (744, 538248180), (930, 430598544), (992, 403686135), (1116, 358832120), (1240, 322948908), (1395, 287065696), (1440, 278094893), (1488, 269124090), (1860, 215299272), (2232, 179416060), (2480, 161474454), (2790, 143532848), (2976, 134562045), (3720, 107649636), (4464, 89708030), (4960, 80737227), (5580, 71766424), (7440, 53824818), (8928, 44854015), (11160, 35883212), (14880, 26912409), (22320, 17941606), (44640, 8970803)]