42628520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 114307200

約数和(自身を除く): 71678680

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 41, 44, 55, 68, 82, 85, 88, 110, 136, 139, 164, 170, 187, 205, 220, 278, 328, 340, 374, 410, 440, 451, 556, 680, 695, 697, 748, 820, 902, 935, 1112, 1390, 1394, 1496, 1529, 1640, 1804, 1870, 2255, 2363, 2780, 2788, 3058, 3485, 3608, 3740, 4510, 4726, 5560, 5576, 5699, 6116, 6970, 7480, 7645, 7667, 9020, 9452, 11398, 11815, 12232, 13940, 15290, 15334, 18040, 18904, 22796, 23630, 25993, 27880, 28495, 30580, 30668, 38335, 45592, 47260, 51986, 56990, 61160, 61336, 62689, 76670, 94520, 96883, 103972, 113980, 125378, 129965, 153340, 193766, 207944, 227960, 250756, 259930, 306680, 313445, 387532, 484415, 501512, 519860, 626890, 775064, 968830, 1039720, 1065713, 1253780, 1937660, 2131426, 2507560, 3875320, 4262852, 5328565, 8525704, 10657130, 21314260, 42628520]

約数ペア:

[(1, 42628520), (2, 21314260), (4, 10657130), (5, 8525704), (8, 5328565), (10, 4262852), (11, 3875320), (17, 2507560), (20, 2131426), (22, 1937660), (34, 1253780), (40, 1065713), (41, 1039720), (44, 968830), (55, 775064), (68, 626890), (82, 519860), (85, 501512), (88, 484415), (110, 387532), (136, 313445), (139, 306680), (164, 259930), (170, 250756), (187, 227960), (205, 207944), (220, 193766), (278, 153340), (328, 129965), (340, 125378), (374, 113980), (410, 103972), (440, 96883), (451, 94520), (556, 76670), (680, 62689), (695, 61336), (697, 61160), (748, 56990), (820, 51986), (902, 47260), (935, 45592), (1112, 38335), (1390, 30668), (1394, 30580), (1496, 28495), (1529, 27880), (1640, 25993), (1804, 23630), (1870, 22796), (2255, 18904), (2363, 18040), (2780, 15334), (2788, 15290), (3058, 13940), (3485, 12232), (3608, 11815), (3740, 11398), (4510, 9452), (4726, 9020), (5560, 7667), (5576, 7645), (5699, 7480), (6116, 6970)]