647520900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{166031}}^1$

素因数の和:166061

約数の個数: 72

約数和(自身を含む): 2017620864

約数和(自身を除く): 1370099964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 166031, 332062, 498093, 664124, 830155, 996186, 1660310, 1992372, 2158403, 2490465, 3320620, 4150775, 4316806, 4980930, 6475209, 8301550, 8633612, 9961860, 10792015, 12452325, 12950418, 16603100, 21584030, 24904650, 25900836, 32376045, 43168060, 49809300, 53960075, 64752090, 107920150, 129504180, 161880225, 215840300, 323760450, 647520900]

約数ペア:

[(1, 647520900), (2, 323760450), (3, 215840300), (4, 161880225), (5, 129504180), (6, 107920150), (10, 64752090), (12, 53960075), (13, 49809300), (15, 43168060), (20, 32376045), (25, 25900836), (26, 24904650), (30, 21584030), (39, 16603100), (50, 12950418), (52, 12452325), (60, 10792015), (65, 9961860), (75, 8633612), (78, 8301550), (100, 6475209), (130, 4980930), (150, 4316806), (156, 4150775), (195, 3320620), (260, 2490465), (300, 2158403), (325, 1992372), (390, 1660310), (650, 996186), (780, 830155), (975, 664124), (1300, 498093), (1950, 332062), (3900, 166031)]