68317620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 192

約数和(自身を含む): 232243200

約数和(自身を除く): 163925580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 71, 79, 84, 87, 105, 116, 140, 142, 145, 158, 174, 203, 210, 213, 237, 284, 290, 316, 348, 355, 395, 406, 420, 426, 435, 474, 497, 553, 580, 609, 710, 790, 812, 852, 870, 948, 994, 1015, 1065, 1106, 1185, 1218, 1420, 1491, 1580, 1659, 1740, 1988, 2030, 2059, 2130, 2212, 2291, 2370, 2436, 2485, 2765, 2982, 3045, 3318, 4060, 4118, 4260, 4582, 4740, 4970, 5530, 5609, 5964, 6090, 6177, 6636, 6873, 7455, 8236, 8295, 9164, 9940, 10295, 11060, 11218, 11455, 12180, 12354, 13746, 14413, 14910, 16037, 16590, 16827, 20590, 22436, 22910, 24708, 27492, 28045, 28826, 29820, 30885, 32074, 33180, 33654, 34365, 39263, 41180, 43239, 45820, 48111, 56090, 57652, 61770, 64148, 67308, 68730, 72065, 78526, 80185, 84135, 86478, 96222, 112180, 117789, 123540, 137460, 144130, 157052, 160370, 162661, 168270, 172956, 192444, 196315, 216195, 235578, 240555, 288260, 320740, 325322, 336540, 392630, 432390, 471156, 481110, 487983, 588945, 650644, 785260, 813305, 864780, 962220, 975966, 1138627, 1177890, 1626610, 1951932, 2277254, 2355780, 2439915, 3253220, 3415881, 4554508, 4879830, 5693135, 6831762, 9759660, 11386270, 13663524, 17079405, 22772540, 34158810, 68317620]

約数ペア:

[(1, 68317620), (2, 34158810), (3, 22772540), (4, 17079405), (5, 13663524), (6, 11386270), (7, 9759660), (10, 6831762), (12, 5693135), (14, 4879830), (15, 4554508), (20, 3415881), (21, 3253220), (28, 2439915), (29, 2355780), (30, 2277254), (35, 1951932), (42, 1626610), (58, 1177890), (60, 1138627), (70, 975966), (71, 962220), (79, 864780), (84, 813305), (87, 785260), (105, 650644), (116, 588945), (140, 487983), (142, 481110), (145, 471156), (158, 432390), (174, 392630), (203, 336540), (210, 325322), (213, 320740), (237, 288260), (284, 240555), (290, 235578), (316, 216195), (348, 196315), (355, 192444), (395, 172956), (406, 168270), (420, 162661), (426, 160370), (435, 157052), (474, 144130), (497, 137460), (553, 123540), (580, 117789), (609, 112180), (710, 96222), (790, 86478), (812, 84135), (852, 80185), (870, 78526), (948, 72065), (994, 68730), (1015, 67308), (1065, 64148), (1106, 61770), (1185, 57652), (1218, 56090), (1420, 48111), (1491, 45820), (1580, 43239), (1659, 41180), (1740, 39263), (1988, 34365), (2030, 33654), (2059, 33180), (2130, 32074), (2212, 30885), (2291, 29820), (2370, 28826), (2436, 28045), (2485, 27492), (2765, 24708), (2982, 22910), (3045, 22436), (3318, 20590), (4060, 16827), (4118, 16590), (4260, 16037), (4582, 14910), (4740, 14413), (4970, 13746), (5530, 12354), (5609, 12180), (5964, 11455), (6090, 11218), (6177, 11060), (6636, 10295), (6873, 9940), (7455, 9164), (8236, 8295)]