71729560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 197568000

約数和(自身を除く): 125838440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 97, 133, 139, 140, 152, 190, 194, 266, 278, 280, 380, 388, 485, 532, 556, 665, 679, 695, 760, 776, 970, 973, 1064, 1112, 1330, 1358, 1390, 1843, 1940, 1946, 2641, 2660, 2716, 2780, 3395, 3686, 3880, 3892, 4865, 5282, 5320, 5432, 5560, 6790, 7372, 7784, 9215, 9730, 10564, 12901, 13205, 13483, 13580, 14744, 18430, 18487, 19460, 21128, 25802, 26410, 26966, 27160, 36860, 36974, 38920, 51604, 52820, 53932, 64505, 67415, 73720, 73948, 92435, 94381, 103208, 105640, 107864, 129010, 134830, 147896, 184870, 188762, 256177, 258020, 269660, 369740, 377524, 471905, 512354, 516040, 539320, 739480, 755048, 943810, 1024708, 1280885, 1793239, 1887620, 2049416, 2561770, 3586478, 3775240, 5123540, 7172956, 8966195, 10247080, 14345912, 17932390, 35864780, 71729560]

約数ペア:

[(1, 71729560), (2, 35864780), (4, 17932390), (5, 14345912), (7, 10247080), (8, 8966195), (10, 7172956), (14, 5123540), (19, 3775240), (20, 3586478), (28, 2561770), (35, 2049416), (38, 1887620), (40, 1793239), (56, 1280885), (70, 1024708), (76, 943810), (95, 755048), (97, 739480), (133, 539320), (139, 516040), (140, 512354), (152, 471905), (190, 377524), (194, 369740), (266, 269660), (278, 258020), (280, 256177), (380, 188762), (388, 184870), (485, 147896), (532, 134830), (556, 129010), (665, 107864), (679, 105640), (695, 103208), (760, 94381), (776, 92435), (970, 73948), (973, 73720), (1064, 67415), (1112, 64505), (1330, 53932), (1358, 52820), (1390, 51604), (1843, 38920), (1940, 36974), (1946, 36860), (2641, 27160), (2660, 26966), (2716, 26410), (2780, 25802), (3395, 21128), (3686, 19460), (3880, 18487), (3892, 18430), (4865, 14744), (5282, 13580), (5320, 13483), (5432, 13205), (5560, 12901), (6790, 10564), (7372, 9730), (7784, 9215)]