7907640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:201

約数の個数: 128

約数和(自身を含む): 26429760

約数和(自身を除く): 18522120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 137, 148, 156, 185, 195, 222, 260, 274, 296, 312, 370, 390, 411, 444, 481, 520, 548, 555, 685, 740, 780, 822, 888, 962, 1096, 1110, 1370, 1443, 1480, 1560, 1644, 1781, 1924, 2055, 2220, 2405, 2740, 2886, 3288, 3562, 3848, 4110, 4440, 4810, 5069, 5343, 5480, 5772, 7124, 7215, 8220, 8905, 9620, 10138, 10686, 11544, 14248, 14430, 15207, 16440, 17810, 19240, 20276, 21372, 25345, 26715, 28860, 30414, 35620, 40552, 42744, 50690, 53430, 57720, 60828, 65897, 71240, 76035, 101380, 106860, 121656, 131794, 152070, 197691, 202760, 213720, 263588, 304140, 329485, 395382, 527176, 608280, 658970, 790764, 988455, 1317940, 1581528, 1976910, 2635880, 3953820, 7907640]

約数ペア:

[(1, 7907640), (2, 3953820), (3, 2635880), (4, 1976910), (5, 1581528), (6, 1317940), (8, 988455), (10, 790764), (12, 658970), (13, 608280), (15, 527176), (20, 395382), (24, 329485), (26, 304140), (30, 263588), (37, 213720), (39, 202760), (40, 197691), (52, 152070), (60, 131794), (65, 121656), (74, 106860), (78, 101380), (104, 76035), (111, 71240), (120, 65897), (130, 60828), (137, 57720), (148, 53430), (156, 50690), (185, 42744), (195, 40552), (222, 35620), (260, 30414), (274, 28860), (296, 26715), (312, 25345), (370, 21372), (390, 20276), (411, 19240), (444, 17810), (481, 16440), (520, 15207), (548, 14430), (555, 14248), (685, 11544), (740, 10686), (780, 10138), (822, 9620), (888, 8905), (962, 8220), (1096, 7215), (1110, 7124), (1370, 5772), (1443, 5480), (1480, 5343), (1560, 5069), (1644, 4810), (1781, 4440), (1924, 4110), (2055, 3848), (2220, 3562), (2405, 3288), (2740, 2886)]