15678816140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{739}}^1\times {\mathrm{6277}}^1$

素因数の和:7051

約数の個数: 72

約数和(自身を含む): 35707003920

約数和(自身を除く): 20028187780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 739, 845, 1478, 1690, 2956, 3380, 3695, 6277, 7390, 9607, 12554, 14780, 19214, 25108, 31385, 38428, 48035, 62770, 81601, 96070, 124891, 125540, 163202, 192140, 249782, 326404, 408005, 499564, 624455, 816010, 1060813, 1248910, 1632020, 2121626, 2497820, 4243252, 4638703, 5304065, 9277406, 10608130, 18554812, 21216260, 23193515, 46387030, 60303139, 92774060, 120606278, 241212556, 301515695, 603031390, 783940807, 1206062780, 1567881614, 3135763228, 3919704035, 7839408070, 15678816140]

約数ペア:

[(1, 15678816140), (2, 7839408070), (4, 3919704035), (5, 3135763228), (10, 1567881614), (13, 1206062780), (20, 783940807), (26, 603031390), (52, 301515695), (65, 241212556), (130, 120606278), (169, 92774060), (260, 60303139), (338, 46387030), (676, 23193515), (739, 21216260), (845, 18554812), (1478, 10608130), (1690, 9277406), (2956, 5304065), (3380, 4638703), (3695, 4243252), (6277, 2497820), (7390, 2121626), (9607, 1632020), (12554, 1248910), (14780, 1060813), (19214, 816010), (25108, 624455), (31385, 499564), (38428, 408005), (48035, 326404), (62770, 249782), (81601, 192140), (96070, 163202), (124891, 125540)]