78787380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1721}}^1$

素因数の和:1849

約数の個数: 96

約数和(自身を含む): 254580480

約数和(自身を除く): 175793100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 420, 436, 545, 654, 763, 1090, 1308, 1526, 1635, 1721, 2180, 2289, 3052, 3270, 3442, 3815, 4578, 5163, 6540, 6884, 7630, 8605, 9156, 10326, 11445, 12047, 15260, 17210, 20652, 22890, 24094, 25815, 34420, 36141, 45780, 48188, 51630, 60235, 72282, 103260, 120470, 144564, 180705, 187589, 240940, 361410, 375178, 562767, 722820, 750356, 937945, 1125534, 1313123, 1875890, 2251068, 2626246, 2813835, 3751780, 3939369, 5252492, 5627670, 6565615, 7878738, 11255340, 13131230, 15757476, 19696845, 26262460, 39393690, 78787380]

約数ペア:

[(1, 78787380), (2, 39393690), (3, 26262460), (4, 19696845), (5, 15757476), (6, 13131230), (7, 11255340), (10, 7878738), (12, 6565615), (14, 5627670), (15, 5252492), (20, 3939369), (21, 3751780), (28, 2813835), (30, 2626246), (35, 2251068), (42, 1875890), (60, 1313123), (70, 1125534), (84, 937945), (105, 750356), (109, 722820), (140, 562767), (210, 375178), (218, 361410), (327, 240940), (420, 187589), (436, 180705), (545, 144564), (654, 120470), (763, 103260), (1090, 72282), (1308, 60235), (1526, 51630), (1635, 48188), (1721, 45780), (2180, 36141), (2289, 34420), (3052, 25815), (3270, 24094), (3442, 22890), (3815, 20652), (4578, 17210), (5163, 15260), (6540, 12047), (6884, 11445), (7630, 10326), (8605, 9156)]