77584940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 179071872

約数和(自身を除く): 101486932

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 289, 310, 340, 433, 527, 578, 620, 866, 1054, 1156, 1445, 1732, 2108, 2165, 2635, 2890, 4330, 5270, 5780, 7361, 8660, 8959, 10540, 13423, 14722, 17918, 26846, 29444, 35836, 36805, 44795, 53692, 67115, 73610, 89590, 125137, 134230, 147220, 179180, 228191, 250274, 268460, 456382, 500548, 625685, 912764, 1140955, 1251370, 2281910, 2502740, 3879247, 4563820, 7758494, 15516988, 19396235, 38792470, 77584940]

約数ペア:

[(1, 77584940), (2, 38792470), (4, 19396235), (5, 15516988), (10, 7758494), (17, 4563820), (20, 3879247), (31, 2502740), (34, 2281910), (62, 1251370), (68, 1140955), (85, 912764), (124, 625685), (155, 500548), (170, 456382), (289, 268460), (310, 250274), (340, 228191), (433, 179180), (527, 147220), (578, 134230), (620, 125137), (866, 89590), (1054, 73610), (1156, 67115), (1445, 53692), (1732, 44795), (2108, 36805), (2165, 35836), (2635, 29444), (2890, 26846), (4330, 17918), (5270, 14722), (5780, 13423), (7361, 10540), (8660, 8959)]