77859320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1487}}^1$

素因数の和:1533

約数の個数: 128

約数和(自身を含む): 231413760

約数和(自身を除く): 153554440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 374, 385, 440, 476, 595, 616, 680, 748, 770, 935, 952, 1190, 1309, 1487, 1496, 1540, 1870, 2380, 2618, 2974, 3080, 3740, 4760, 5236, 5948, 6545, 7435, 7480, 10409, 10472, 11896, 13090, 14870, 16357, 20818, 25279, 26180, 29740, 32714, 41636, 50558, 52045, 52360, 59480, 65428, 81785, 83272, 101116, 104090, 114499, 126395, 130856, 163570, 176953, 202232, 208180, 228998, 252790, 278069, 327140, 353906, 416360, 457996, 505580, 556138, 572495, 654280, 707812, 884765, 915992, 1011160, 1112276, 1144990, 1390345, 1415624, 1769530, 1946483, 2224552, 2289980, 2780690, 3539060, 3892966, 4579960, 5561380, 7078120, 7785932, 9732415, 11122760, 15571864, 19464830, 38929660, 77859320]

約数ペア:

[(1, 77859320), (2, 38929660), (4, 19464830), (5, 15571864), (7, 11122760), (8, 9732415), (10, 7785932), (11, 7078120), (14, 5561380), (17, 4579960), (20, 3892966), (22, 3539060), (28, 2780690), (34, 2289980), (35, 2224552), (40, 1946483), (44, 1769530), (55, 1415624), (56, 1390345), (68, 1144990), (70, 1112276), (77, 1011160), (85, 915992), (88, 884765), (110, 707812), (119, 654280), (136, 572495), (140, 556138), (154, 505580), (170, 457996), (187, 416360), (220, 353906), (238, 327140), (280, 278069), (308, 252790), (340, 228998), (374, 208180), (385, 202232), (440, 176953), (476, 163570), (595, 130856), (616, 126395), (680, 114499), (748, 104090), (770, 101116), (935, 83272), (952, 81785), (1190, 65428), (1309, 59480), (1487, 52360), (1496, 52045), (1540, 50558), (1870, 41636), (2380, 32714), (2618, 29740), (2974, 26180), (3080, 25279), (3740, 20818), (4760, 16357), (5236, 14870), (5948, 13090), (6545, 11896), (7435, 10472), (7480, 10409)]