25768980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{599}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 78624000

約数和(自身を除く): 52855020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 599, 717, 956, 1195, 1198, 1434, 1797, 2151, 2390, 2396, 2868, 2995, 3585, 3594, 4302, 4780, 5391, 5990, 7170, 7188, 8604, 8985, 10755, 10782, 11980, 14340, 17970, 21510, 21564, 26955, 35940, 43020, 53910, 107820, 143161, 286322, 429483, 572644, 715805, 858966, 1288449, 1431610, 1717932, 2147415, 2576898, 2863220, 4294830, 5153796, 6442245, 8589660, 12884490, 25768980]

約数ペア:

[(1, 25768980), (2, 12884490), (3, 8589660), (4, 6442245), (5, 5153796), (6, 4294830), (9, 2863220), (10, 2576898), (12, 2147415), (15, 1717932), (18, 1431610), (20, 1288449), (30, 858966), (36, 715805), (45, 572644), (60, 429483), (90, 286322), (180, 143161), (239, 107820), (478, 53910), (599, 43020), (717, 35940), (956, 26955), (1195, 21564), (1198, 21510), (1434, 17970), (1797, 14340), (2151, 11980), (2390, 10782), (2396, 10755), (2868, 8985), (2995, 8604), (3585, 7188), (3594, 7170), (4302, 5990), (4780, 5391)]