77967560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 196068600

約数和(自身を除く): 118101040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 121, 178, 181, 220, 242, 356, 362, 440, 445, 484, 605, 712, 724, 890, 905, 968, 979, 1210, 1448, 1780, 1810, 1958, 1991, 2420, 3560, 3620, 3916, 3982, 4840, 4895, 7240, 7832, 7964, 9790, 9955, 10769, 15928, 16109, 19580, 19910, 21538, 21901, 32218, 39160, 39820, 43076, 43802, 53845, 64436, 79640, 80545, 86152, 87604, 107690, 109505, 128872, 161090, 175208, 177199, 215380, 219010, 322180, 354398, 430760, 438020, 644360, 708796, 876040, 885995, 1417592, 1771990, 1949189, 3543980, 3898378, 7087960, 7796756, 9745945, 15593512, 19491890, 38983780, 77967560]

約数ペア:

[(1, 77967560), (2, 38983780), (4, 19491890), (5, 15593512), (8, 9745945), (10, 7796756), (11, 7087960), (20, 3898378), (22, 3543980), (40, 1949189), (44, 1771990), (55, 1417592), (88, 885995), (89, 876040), (110, 708796), (121, 644360), (178, 438020), (181, 430760), (220, 354398), (242, 322180), (356, 219010), (362, 215380), (440, 177199), (445, 175208), (484, 161090), (605, 128872), (712, 109505), (724, 107690), (890, 87604), (905, 86152), (968, 80545), (979, 79640), (1210, 64436), (1448, 53845), (1780, 43802), (1810, 43076), (1958, 39820), (1991, 39160), (2420, 32218), (3560, 21901), (3620, 21538), (3916, 19910), (3982, 19580), (4840, 16109), (4895, 15928), (7240, 10769), (7832, 9955), (7964, 9790)]