65423640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 207820800

約数和(自身を除く): 142397160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 172, 186, 215, 248, 258, 310, 344, 372, 409, 430, 465, 516, 620, 645, 744, 818, 860, 930, 1032, 1227, 1240, 1290, 1333, 1636, 1720, 1860, 2045, 2454, 2580, 2666, 3272, 3720, 3999, 4090, 4908, 5160, 5332, 6135, 6665, 7998, 8180, 9816, 10664, 12270, 12679, 13330, 15996, 16360, 17587, 19995, 24540, 25358, 26660, 31992, 35174, 38037, 39990, 49080, 50716, 52761, 53320, 63395, 70348, 76074, 79980, 87935, 101432, 105522, 126790, 140696, 152148, 159960, 175870, 190185, 211044, 253580, 263805, 304296, 351740, 380370, 422088, 507160, 527610, 545197, 703480, 760740, 1055220, 1090394, 1521480, 1635591, 2110440, 2180788, 2725985, 3271182, 4361576, 5451970, 6542364, 8177955, 10903940, 13084728, 16355910, 21807880, 32711820, 65423640]

約数ペア:

[(1, 65423640), (2, 32711820), (3, 21807880), (4, 16355910), (5, 13084728), (6, 10903940), (8, 8177955), (10, 6542364), (12, 5451970), (15, 4361576), (20, 3271182), (24, 2725985), (30, 2180788), (31, 2110440), (40, 1635591), (43, 1521480), (60, 1090394), (62, 1055220), (86, 760740), (93, 703480), (120, 545197), (124, 527610), (129, 507160), (155, 422088), (172, 380370), (186, 351740), (215, 304296), (248, 263805), (258, 253580), (310, 211044), (344, 190185), (372, 175870), (409, 159960), (430, 152148), (465, 140696), (516, 126790), (620, 105522), (645, 101432), (744, 87935), (818, 79980), (860, 76074), (930, 70348), (1032, 63395), (1227, 53320), (1240, 52761), (1290, 50716), (1333, 49080), (1636, 39990), (1720, 38037), (1860, 35174), (2045, 31992), (2454, 26660), (2580, 25358), (2666, 24540), (3272, 19995), (3720, 17587), (3999, 16360), (4090, 15996), (4908, 13330), (5160, 12679), (5332, 12270), (6135, 10664), (6665, 9816), (7998, 8180)]