78525160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2621}}^1$

素因数の和:2746

約数の個数: 64

約数和(自身を含む): 203886720

約数和(自身を除く): 125361560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 1070, 1498, 2140, 2621, 2996, 3745, 4280, 5242, 5992, 7490, 10484, 13105, 14980, 18347, 20968, 26210, 29960, 36694, 52420, 73388, 91735, 104840, 146776, 183470, 280447, 366940, 560894, 733880, 1121788, 1402235, 1963129, 2243576, 2804470, 3926258, 5608940, 7852516, 9815645, 11217880, 15705032, 19631290, 39262580, 78525160]

約数ペア:

[(1, 78525160), (2, 39262580), (4, 19631290), (5, 15705032), (7, 11217880), (8, 9815645), (10, 7852516), (14, 5608940), (20, 3926258), (28, 2804470), (35, 2243576), (40, 1963129), (56, 1402235), (70, 1121788), (107, 733880), (140, 560894), (214, 366940), (280, 280447), (428, 183470), (535, 146776), (749, 104840), (856, 91735), (1070, 73388), (1498, 52420), (2140, 36694), (2621, 29960), (2996, 26210), (3745, 20968), (4280, 18347), (5242, 14980), (5992, 13105), (7490, 10484)]