65722920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 206807040

約数和(自身を除く): 141084120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 47, 60, 86, 94, 120, 129, 141, 172, 188, 215, 235, 258, 271, 282, 344, 376, 430, 470, 516, 542, 564, 645, 705, 813, 860, 940, 1032, 1084, 1128, 1290, 1355, 1410, 1626, 1720, 1880, 2021, 2168, 2580, 2710, 2820, 3252, 4042, 4065, 5160, 5420, 5640, 6063, 6504, 8084, 8130, 10105, 10840, 11653, 12126, 12737, 16168, 16260, 20210, 23306, 24252, 25474, 30315, 32520, 34959, 38211, 40420, 46612, 48504, 50948, 58265, 60630, 63685, 69918, 76422, 80840, 93224, 101896, 116530, 121260, 127370, 139836, 152844, 174795, 191055, 233060, 242520, 254740, 279672, 305688, 349590, 382110, 466120, 509480, 547691, 699180, 764220, 1095382, 1398360, 1528440, 1643073, 2190764, 2738455, 3286146, 4381528, 5476910, 6572292, 8215365, 10953820, 13144584, 16430730, 21907640, 32861460, 65722920]

約数ペア:

[(1, 65722920), (2, 32861460), (3, 21907640), (4, 16430730), (5, 13144584), (6, 10953820), (8, 8215365), (10, 6572292), (12, 5476910), (15, 4381528), (20, 3286146), (24, 2738455), (30, 2190764), (40, 1643073), (43, 1528440), (47, 1398360), (60, 1095382), (86, 764220), (94, 699180), (120, 547691), (129, 509480), (141, 466120), (172, 382110), (188, 349590), (215, 305688), (235, 279672), (258, 254740), (271, 242520), (282, 233060), (344, 191055), (376, 174795), (430, 152844), (470, 139836), (516, 127370), (542, 121260), (564, 116530), (645, 101896), (705, 93224), (813, 80840), (860, 76422), (940, 69918), (1032, 63685), (1084, 60630), (1128, 58265), (1290, 50948), (1355, 48504), (1410, 46612), (1626, 40420), (1720, 38211), (1880, 34959), (2021, 32520), (2168, 30315), (2580, 25474), (2710, 24252), (2820, 23306), (3252, 20210), (4042, 16260), (4065, 16168), (5160, 12737), (5420, 12126), (5640, 11653), (6063, 10840), (6504, 10105), (8084, 8130)]