72419320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 173599200

約数和(自身を除く): 101179880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 281, 340, 379, 562, 680, 758, 1124, 1405, 1516, 1895, 2248, 2810, 3032, 3790, 4777, 5620, 6443, 7580, 9554, 11240, 12886, 15160, 19108, 23885, 25772, 32215, 38216, 47770, 51544, 64430, 95540, 106499, 128860, 191080, 212998, 257720, 425996, 532495, 851992, 1064990, 1810483, 2129980, 3620966, 4259960, 7241932, 9052415, 14483864, 18104830, 36209660, 72419320]

約数ペア:

[(1, 72419320), (2, 36209660), (4, 18104830), (5, 14483864), (8, 9052415), (10, 7241932), (17, 4259960), (20, 3620966), (34, 2129980), (40, 1810483), (68, 1064990), (85, 851992), (136, 532495), (170, 425996), (281, 257720), (340, 212998), (379, 191080), (562, 128860), (680, 106499), (758, 95540), (1124, 64430), (1405, 51544), (1516, 47770), (1895, 38216), (2248, 32215), (2810, 25772), (3032, 23885), (3790, 19108), (4777, 15160), (5620, 12886), (6443, 11240), (7580, 9554)]