61619940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 200578560

約数和(自身を除く): 138958620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 243, 270, 279, 310, 324, 372, 405, 409, 465, 486, 540, 558, 620, 810, 818, 837, 930, 972, 1116, 1215, 1227, 1395, 1620, 1636, 1674, 1860, 2045, 2430, 2454, 2511, 2790, 3348, 3681, 4090, 4185, 4860, 4908, 5022, 5580, 6135, 7362, 7533, 8180, 8370, 10044, 11043, 12270, 12555, 12679, 14724, 15066, 16740, 18405, 22086, 24540, 25110, 25358, 30132, 33129, 36810, 37665, 38037, 44172, 50220, 50716, 55215, 63395, 66258, 73620, 75330, 76074, 99387, 110430, 114111, 126790, 132516, 150660, 152148, 165645, 190185, 198774, 220860, 228222, 253580, 331290, 342333, 380370, 397548, 456444, 496935, 570555, 662580, 684666, 760740, 993870, 1026999, 1141110, 1369332, 1711665, 1987740, 2053998, 2282220, 3080997, 3423330, 4107996, 5134995, 6161994, 6846660, 10269990, 12323988, 15404985, 20539980, 30809970, 61619940]

約数ペア:

[(1, 61619940), (2, 30809970), (3, 20539980), (4, 15404985), (5, 12323988), (6, 10269990), (9, 6846660), (10, 6161994), (12, 5134995), (15, 4107996), (18, 3423330), (20, 3080997), (27, 2282220), (30, 2053998), (31, 1987740), (36, 1711665), (45, 1369332), (54, 1141110), (60, 1026999), (62, 993870), (81, 760740), (90, 684666), (93, 662580), (108, 570555), (124, 496935), (135, 456444), (155, 397548), (162, 380370), (180, 342333), (186, 331290), (243, 253580), (270, 228222), (279, 220860), (310, 198774), (324, 190185), (372, 165645), (405, 152148), (409, 150660), (465, 132516), (486, 126790), (540, 114111), (558, 110430), (620, 99387), (810, 76074), (818, 75330), (837, 73620), (930, 66258), (972, 63395), (1116, 55215), (1215, 50716), (1227, 50220), (1395, 44172), (1620, 38037), (1636, 37665), (1674, 36810), (1860, 33129), (2045, 30132), (2430, 25358), (2454, 25110), (2511, 24540), (2790, 22086), (3348, 18405), (3681, 16740), (4090, 15066), (4185, 14724), (4860, 12679), (4908, 12555), (5022, 12270), (5580, 11043), (6135, 10044), (7362, 8370), (7533, 8180)]