221835720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2939}}^1$

素因数の和:3007

約数の個数: 128

約数和(自身を含む): 723945600

約数和(自身を除く): 502109880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 37, 40, 51, 60, 68, 74, 85, 102, 111, 120, 136, 148, 170, 185, 204, 222, 255, 296, 340, 370, 408, 444, 510, 555, 629, 680, 740, 888, 1020, 1110, 1258, 1480, 1887, 2040, 2220, 2516, 2939, 3145, 3774, 4440, 5032, 5878, 6290, 7548, 8817, 9435, 11756, 12580, 14695, 15096, 17634, 18870, 23512, 25160, 29390, 35268, 37740, 44085, 49963, 58780, 70536, 75480, 88170, 99926, 108743, 117560, 149889, 176340, 199852, 217486, 249815, 299778, 326229, 352680, 399704, 434972, 499630, 543715, 599556, 652458, 749445, 869944, 999260, 1087430, 1199112, 1304916, 1498890, 1631145, 1848631, 1998520, 2174860, 2609832, 2997780, 3262290, 3697262, 4349720, 5545893, 5995560, 6524580, 7394524, 9243155, 11091786, 13049160, 14789048, 18486310, 22183572, 27729465, 36972620, 44367144, 55458930, 73945240, 110917860, 221835720]

約数ペア:

[(1, 221835720), (2, 110917860), (3, 73945240), (4, 55458930), (5, 44367144), (6, 36972620), (8, 27729465), (10, 22183572), (12, 18486310), (15, 14789048), (17, 13049160), (20, 11091786), (24, 9243155), (30, 7394524), (34, 6524580), (37, 5995560), (40, 5545893), (51, 4349720), (60, 3697262), (68, 3262290), (74, 2997780), (85, 2609832), (102, 2174860), (111, 1998520), (120, 1848631), (136, 1631145), (148, 1498890), (170, 1304916), (185, 1199112), (204, 1087430), (222, 999260), (255, 869944), (296, 749445), (340, 652458), (370, 599556), (408, 543715), (444, 499630), (510, 434972), (555, 399704), (629, 352680), (680, 326229), (740, 299778), (888, 249815), (1020, 217486), (1110, 199852), (1258, 176340), (1480, 149889), (1887, 117560), (2040, 108743), (2220, 99926), (2516, 88170), (2939, 75480), (3145, 70536), (3774, 58780), (4440, 49963), (5032, 44085), (5878, 37740), (6290, 35268), (7548, 29390), (8817, 25160), (9435, 23512), (11756, 18870), (12580, 17634), (14695, 15096)]