64005680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2477}}^1$

素因数の和:2526

約数の個数: 80

約数和(自身を含む): 165926880

約数和(自身を除く): 101921200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2477, 2584, 3230, 4954, 5168, 6460, 9908, 12385, 12920, 19816, 24770, 25840, 39632, 42109, 47063, 49540, 84218, 94126, 99080, 168436, 188252, 198160, 210545, 235315, 336872, 376504, 421090, 470630, 673744, 753008, 800071, 842180, 941260, 1600142, 1684360, 1882520, 3200284, 3368720, 3765040, 4000355, 6400568, 8000710, 12801136, 16001420, 32002840, 64005680]

約数ペア:

[(1, 64005680), (2, 32002840), (4, 16001420), (5, 12801136), (8, 8000710), (10, 6400568), (16, 4000355), (17, 3765040), (19, 3368720), (20, 3200284), (34, 1882520), (38, 1684360), (40, 1600142), (68, 941260), (76, 842180), (80, 800071), (85, 753008), (95, 673744), (136, 470630), (152, 421090), (170, 376504), (190, 336872), (272, 235315), (304, 210545), (323, 198160), (340, 188252), (380, 168436), (646, 99080), (680, 94126), (760, 84218), (1292, 49540), (1360, 47063), (1520, 42109), (1615, 39632), (2477, 25840), (2584, 24770), (3230, 19816), (4954, 12920), (5168, 12385), (6460, 9908)]