8445840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2707}}^1$

素因数の和:2736

約数の個数: 80

約数和(自身を含む): 28206528

約数和(自身を除く): 19760688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 2707, 3120, 5414, 8121, 10828, 13535, 16242, 21656, 27070, 32484, 35191, 40605, 43312, 54140, 64968, 70382, 81210, 105573, 108280, 129936, 140764, 162420, 175955, 211146, 216560, 281528, 324840, 351910, 422292, 527865, 563056, 649680, 703820, 844584, 1055730, 1407640, 1689168, 2111460, 2815280, 4222920, 8445840]

約数ペア:

[(1, 8445840), (2, 4222920), (3, 2815280), (4, 2111460), (5, 1689168), (6, 1407640), (8, 1055730), (10, 844584), (12, 703820), (13, 649680), (15, 563056), (16, 527865), (20, 422292), (24, 351910), (26, 324840), (30, 281528), (39, 216560), (40, 211146), (48, 175955), (52, 162420), (60, 140764), (65, 129936), (78, 108280), (80, 105573), (104, 81210), (120, 70382), (130, 64968), (156, 54140), (195, 43312), (208, 40605), (240, 35191), (260, 32484), (312, 27070), (390, 21656), (520, 16242), (624, 13535), (780, 10828), (1040, 8121), (1560, 5414), (2707, 3120)]