77782380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99721}}^1$

素因数の和:99746

約数の個数: 48

約数和(自身を含む): 234546144

約数和(自身を除く): 156763764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 99721, 199442, 299163, 398884, 498605, 598326, 997210, 1196652, 1296373, 1495815, 1994420, 2592746, 2991630, 3889119, 5185492, 5983260, 6481865, 7778238, 12963730, 15556476, 19445595, 25927460, 38891190, 77782380]

約数ペア:

[(1, 77782380), (2, 38891190), (3, 25927460), (4, 19445595), (5, 15556476), (6, 12963730), (10, 7778238), (12, 6481865), (13, 5983260), (15, 5185492), (20, 3889119), (26, 2991630), (30, 2592746), (39, 1994420), (52, 1495815), (60, 1296373), (65, 1196652), (78, 997210), (130, 598326), (156, 498605), (195, 398884), (260, 299163), (390, 199442), (780, 99721)]