61358440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:683

約数の個数: 128

約数和(自身を含む): 172005120

約数和(自身を除く): 110646680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 85, 88, 104, 110, 130, 136, 143, 170, 187, 220, 221, 260, 286, 340, 374, 440, 442, 520, 572, 631, 680, 715, 748, 884, 935, 1105, 1144, 1262, 1430, 1496, 1768, 1870, 2210, 2431, 2524, 2860, 3155, 3740, 4420, 4862, 5048, 5720, 6310, 6941, 7480, 8203, 8840, 9724, 10727, 12155, 12620, 13882, 16406, 19448, 21454, 24310, 25240, 27764, 32812, 34705, 41015, 42908, 48620, 53635, 55528, 65624, 69410, 82030, 85816, 90233, 97240, 107270, 117997, 138820, 139451, 164060, 180466, 214540, 235994, 277640, 278902, 328120, 360932, 429080, 451165, 471988, 557804, 589985, 697255, 721864, 902330, 943976, 1115608, 1179970, 1394510, 1533961, 1804660, 2359940, 2789020, 3067922, 3609320, 4719880, 5578040, 6135844, 7669805, 12271688, 15339610, 30679220, 61358440]

約数ペア:

[(1, 61358440), (2, 30679220), (4, 15339610), (5, 12271688), (8, 7669805), (10, 6135844), (11, 5578040), (13, 4719880), (17, 3609320), (20, 3067922), (22, 2789020), (26, 2359940), (34, 1804660), (40, 1533961), (44, 1394510), (52, 1179970), (55, 1115608), (65, 943976), (68, 902330), (85, 721864), (88, 697255), (104, 589985), (110, 557804), (130, 471988), (136, 451165), (143, 429080), (170, 360932), (187, 328120), (220, 278902), (221, 277640), (260, 235994), (286, 214540), (340, 180466), (374, 164060), (440, 139451), (442, 138820), (520, 117997), (572, 107270), (631, 97240), (680, 90233), (715, 85816), (748, 82030), (884, 69410), (935, 65624), (1105, 55528), (1144, 53635), (1262, 48620), (1430, 42908), (1496, 41015), (1768, 34705), (1870, 32812), (2210, 27764), (2431, 25240), (2524, 24310), (2860, 21454), (3155, 19448), (3740, 16406), (4420, 13882), (4862, 12620), (5048, 12155), (5720, 10727), (6310, 9724), (6941, 8840), (7480, 8203)]