138679740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:932

約数の個数: 144

約数和(自身を含む): 449729280

約数和(自身を除く): 311049540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 348, 372, 435, 465, 522, 558, 580, 620, 857, 870, 899, 930, 1044, 1116, 1305, 1395, 1714, 1740, 1798, 1860, 2571, 2610, 2697, 2790, 3428, 3596, 4285, 4495, 5142, 5220, 5394, 5580, 7713, 8091, 8570, 8990, 10284, 10788, 12855, 13485, 15426, 16182, 17140, 17980, 24853, 25710, 26567, 26970, 30852, 32364, 38565, 40455, 49706, 51420, 53134, 53940, 74559, 77130, 79701, 80910, 99412, 106268, 124265, 132835, 149118, 154260, 159402, 161820, 223677, 239103, 248530, 265670, 298236, 318804, 372795, 398505, 447354, 478206, 497060, 531340, 745590, 770443, 797010, 894708, 956412, 1118385, 1195515, 1491180, 1540886, 1594020, 2236770, 2311329, 2391030, 3081772, 3852215, 4473540, 4622658, 4782060, 6933987, 7704430, 9245316, 11556645, 13867974, 15408860, 23113290, 27735948, 34669935, 46226580, 69339870, 138679740]

約数ペア:

[(1, 138679740), (2, 69339870), (3, 46226580), (4, 34669935), (5, 27735948), (6, 23113290), (9, 15408860), (10, 13867974), (12, 11556645), (15, 9245316), (18, 7704430), (20, 6933987), (29, 4782060), (30, 4622658), (31, 4473540), (36, 3852215), (45, 3081772), (58, 2391030), (60, 2311329), (62, 2236770), (87, 1594020), (90, 1540886), (93, 1491180), (116, 1195515), (124, 1118385), (145, 956412), (155, 894708), (174, 797010), (180, 770443), (186, 745590), (261, 531340), (279, 497060), (290, 478206), (310, 447354), (348, 398505), (372, 372795), (435, 318804), (465, 298236), (522, 265670), (558, 248530), (580, 239103), (620, 223677), (857, 161820), (870, 159402), (899, 154260), (930, 149118), (1044, 132835), (1116, 124265), (1305, 106268), (1395, 99412), (1714, 80910), (1740, 79701), (1798, 77130), (1860, 74559), (2571, 53940), (2610, 53134), (2697, 51420), (2790, 49706), (3428, 40455), (3596, 38565), (4285, 32364), (4495, 30852), (5142, 26970), (5220, 26567), (5394, 25710), (5580, 24853), (7713, 17980), (8091, 17140), (8570, 16182), (8990, 15426), (10284, 13485), (10788, 12855)]