145501720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:665

約数の個数: 128

約数和(自身を含む): 409328640

約数和(自身を除く): 263826920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 280, 284, 355, 364, 455, 497, 520, 563, 568, 710, 728, 910, 923, 994, 1126, 1420, 1820, 1846, 1988, 2252, 2485, 2815, 2840, 3640, 3692, 3941, 3976, 4504, 4615, 4970, 5630, 6461, 7319, 7384, 7882, 9230, 9940, 11260, 12922, 14638, 15764, 18460, 19705, 19880, 22520, 25844, 29276, 31528, 32305, 36595, 36920, 39410, 39973, 51233, 51688, 58552, 64610, 73190, 78820, 79946, 102466, 129220, 146380, 157640, 159892, 199865, 204932, 256165, 258440, 279811, 292760, 319784, 399730, 409864, 512330, 519649, 559622, 799460, 1024660, 1039298, 1119244, 1399055, 1598920, 2049320, 2078596, 2238488, 2598245, 2798110, 3637543, 4157192, 5196490, 5596220, 7275086, 10392980, 11192440, 14550172, 18187715, 20785960, 29100344, 36375430, 72750860, 145501720]

約数ペア:

[(1, 145501720), (2, 72750860), (4, 36375430), (5, 29100344), (7, 20785960), (8, 18187715), (10, 14550172), (13, 11192440), (14, 10392980), (20, 7275086), (26, 5596220), (28, 5196490), (35, 4157192), (40, 3637543), (52, 2798110), (56, 2598245), (65, 2238488), (70, 2078596), (71, 2049320), (91, 1598920), (104, 1399055), (130, 1119244), (140, 1039298), (142, 1024660), (182, 799460), (260, 559622), (280, 519649), (284, 512330), (355, 409864), (364, 399730), (455, 319784), (497, 292760), (520, 279811), (563, 258440), (568, 256165), (710, 204932), (728, 199865), (910, 159892), (923, 157640), (994, 146380), (1126, 129220), (1420, 102466), (1820, 79946), (1846, 78820), (1988, 73190), (2252, 64610), (2485, 58552), (2815, 51688), (2840, 51233), (3640, 39973), (3692, 39410), (3941, 36920), (3976, 36595), (4504, 32305), (4615, 31528), (4970, 29276), (5630, 25844), (6461, 22520), (7319, 19880), (7384, 19705), (7882, 18460), (9230, 15764), (9940, 14638), (11260, 12922)]