31638360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1193}}^1$

素因数の和:1237

約数の個数: 128

約数和(自身を含む): 108319680

約数和(自身を除く): 76681320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1193, 1326, 1560, 1768, 2040, 2210, 2386, 2652, 3315, 3579, 4420, 4772, 5304, 5965, 6630, 7158, 8840, 9544, 11930, 13260, 14316, 15509, 17895, 20281, 23860, 26520, 28632, 31018, 35790, 40562, 46527, 47720, 60843, 62036, 71580, 77545, 81124, 93054, 101405, 121686, 124072, 143160, 155090, 162248, 186108, 202810, 232635, 243372, 263653, 304215, 310180, 372216, 405620, 465270, 486744, 527306, 608430, 620360, 790959, 811240, 930540, 1054612, 1216860, 1318265, 1581918, 1861080, 2109224, 2433720, 2636530, 3163836, 3954795, 5273060, 6327672, 7909590, 10546120, 15819180, 31638360]

約数ペア:

[(1, 31638360), (2, 15819180), (3, 10546120), (4, 7909590), (5, 6327672), (6, 5273060), (8, 3954795), (10, 3163836), (12, 2636530), (13, 2433720), (15, 2109224), (17, 1861080), (20, 1581918), (24, 1318265), (26, 1216860), (30, 1054612), (34, 930540), (39, 811240), (40, 790959), (51, 620360), (52, 608430), (60, 527306), (65, 486744), (68, 465270), (78, 405620), (85, 372216), (102, 310180), (104, 304215), (120, 263653), (130, 243372), (136, 232635), (156, 202810), (170, 186108), (195, 162248), (204, 155090), (221, 143160), (255, 124072), (260, 121686), (312, 101405), (340, 93054), (390, 81124), (408, 77545), (442, 71580), (510, 62036), (520, 60843), (663, 47720), (680, 46527), (780, 40562), (884, 35790), (1020, 31018), (1105, 28632), (1193, 26520), (1326, 23860), (1560, 20281), (1768, 17895), (2040, 15509), (2210, 14316), (2386, 13260), (2652, 11930), (3315, 9544), (3579, 8840), (4420, 7158), (4772, 6630), (5304, 5965)]