1561882920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{32297}}^1$

素因数の和:32355

約数の個数: 128

約数和(自身を含む): 5209021440

約数和(自身を除く): 3647138520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 9672, 12090, 16120, 24180, 32297, 48360, 64594, 96891, 129188, 161485, 193782, 258376, 322970, 387564, 419861, 484455, 645940, 775128, 839722, 968910, 1001207, 1259583, 1291880, 1679444, 1937820, 2002414, 2099305, 2519166, 3003621, 3358888, 3875640, 4004828, 4198610, 5006035, 5038332, 6007242, 6297915, 8009656, 8397220, 10012070, 10076664, 12014484, 12595830, 13015691, 15018105, 16794440, 20024140, 24028968, 25191660, 26031382, 30036210, 39047073, 40048280, 50383320, 52062764, 60072420, 65078455, 78094146, 104125528, 120144840, 130156910, 156188292, 195235365, 260313820, 312376584, 390470730, 520627640, 780941460, 1561882920]

約数ペア:

[(1, 1561882920), (2, 780941460), (3, 520627640), (4, 390470730), (5, 312376584), (6, 260313820), (8, 195235365), (10, 156188292), (12, 130156910), (13, 120144840), (15, 104125528), (20, 78094146), (24, 65078455), (26, 60072420), (30, 52062764), (31, 50383320), (39, 40048280), (40, 39047073), (52, 30036210), (60, 26031382), (62, 25191660), (65, 24028968), (78, 20024140), (93, 16794440), (104, 15018105), (120, 13015691), (124, 12595830), (130, 12014484), (155, 10076664), (156, 10012070), (186, 8397220), (195, 8009656), (248, 6297915), (260, 6007242), (310, 5038332), (312, 5006035), (372, 4198610), (390, 4004828), (403, 3875640), (465, 3358888), (520, 3003621), (620, 2519166), (744, 2099305), (780, 2002414), (806, 1937820), (930, 1679444), (1209, 1291880), (1240, 1259583), (1560, 1001207), (1612, 968910), (1860, 839722), (2015, 775128), (2418, 645940), (3224, 484455), (3720, 419861), (4030, 387564), (4836, 322970), (6045, 258376), (8060, 193782), (9672, 161485), (12090, 129188), (16120, 96891), (24180, 64594), (32297, 48360)]