71707740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:791

約数の個数: 96

約数和(自身を含む): 218030400

約数和(自身を除く): 146322660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 149, 156, 195, 260, 298, 390, 447, 596, 617, 745, 780, 894, 1234, 1490, 1788, 1851, 1937, 2235, 2468, 2980, 3085, 3702, 3874, 4470, 5811, 6170, 7404, 7748, 8021, 8940, 9255, 9685, 11622, 12340, 16042, 18510, 19370, 23244, 24063, 29055, 32084, 37020, 38740, 40105, 48126, 58110, 80210, 91933, 96252, 116220, 120315, 160420, 183866, 240630, 275799, 367732, 459665, 481260, 551598, 919330, 1103196, 1195129, 1378995, 1838660, 2390258, 2757990, 3585387, 4780516, 5515980, 5975645, 7170774, 11951290, 14341548, 17926935, 23902580, 35853870, 71707740]

約数ペア:

[(1, 71707740), (2, 35853870), (3, 23902580), (4, 17926935), (5, 14341548), (6, 11951290), (10, 7170774), (12, 5975645), (13, 5515980), (15, 4780516), (20, 3585387), (26, 2757990), (30, 2390258), (39, 1838660), (52, 1378995), (60, 1195129), (65, 1103196), (78, 919330), (130, 551598), (149, 481260), (156, 459665), (195, 367732), (260, 275799), (298, 240630), (390, 183866), (447, 160420), (596, 120315), (617, 116220), (745, 96252), (780, 91933), (894, 80210), (1234, 58110), (1490, 48126), (1788, 40105), (1851, 38740), (1937, 37020), (2235, 32084), (2468, 29055), (2980, 24063), (3085, 23244), (3702, 19370), (3874, 18510), (4470, 16042), (5811, 12340), (6170, 11622), (7404, 9685), (7748, 9255), (8021, 8940)]