28630680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18353}}^1$

素因数の和:18380

約数の個数: 64

約数和(自身を含む): 92504160

約数和(自身を除く): 63873480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18353, 36706, 55059, 73412, 91765, 110118, 146824, 183530, 220236, 238589, 275295, 367060, 440472, 477178, 550590, 715767, 734120, 954356, 1101180, 1192945, 1431534, 1908712, 2202360, 2385890, 2863068, 3578835, 4771780, 5726136, 7157670, 9543560, 14315340, 28630680]

約数ペア:

[(1, 28630680), (2, 14315340), (3, 9543560), (4, 7157670), (5, 5726136), (6, 4771780), (8, 3578835), (10, 2863068), (12, 2385890), (13, 2202360), (15, 1908712), (20, 1431534), (24, 1192945), (26, 1101180), (30, 954356), (39, 734120), (40, 715767), (52, 550590), (60, 477178), (65, 440472), (78, 367060), (104, 275295), (120, 238589), (130, 220236), (156, 183530), (195, 146824), (260, 110118), (312, 91765), (390, 73412), (520, 55059), (780, 36706), (1560, 18353)]