280417080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:649

約数の個数: 128

約数和(自身を含む): 872182080

約数和(自身を除く): 591765000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 137, 148, 185, 222, 274, 296, 370, 411, 444, 461, 548, 555, 685, 740, 822, 888, 922, 1096, 1110, 1370, 1383, 1480, 1644, 1844, 2055, 2220, 2305, 2740, 2766, 3288, 3688, 4110, 4440, 4610, 5069, 5480, 5532, 6915, 8220, 9220, 10138, 11064, 13830, 15207, 16440, 17057, 18440, 20276, 25345, 27660, 30414, 34114, 40552, 50690, 51171, 55320, 60828, 63157, 68228, 76035, 85285, 101380, 102342, 121656, 126314, 136456, 152070, 170570, 189471, 202760, 204684, 252628, 255855, 304140, 315785, 341140, 378942, 409368, 505256, 511710, 608280, 631570, 682280, 757884, 947355, 1023420, 1263140, 1515768, 1894710, 2046840, 2336809, 2526280, 3789420, 4673618, 7010427, 7578840, 9347236, 11684045, 14020854, 18694472, 23368090, 28041708, 35052135, 46736180, 56083416, 70104270, 93472360, 140208540, 280417080]

約数ペア:

[(1, 280417080), (2, 140208540), (3, 93472360), (4, 70104270), (5, 56083416), (6, 46736180), (8, 35052135), (10, 28041708), (12, 23368090), (15, 18694472), (20, 14020854), (24, 11684045), (30, 9347236), (37, 7578840), (40, 7010427), (60, 4673618), (74, 3789420), (111, 2526280), (120, 2336809), (137, 2046840), (148, 1894710), (185, 1515768), (222, 1263140), (274, 1023420), (296, 947355), (370, 757884), (411, 682280), (444, 631570), (461, 608280), (548, 511710), (555, 505256), (685, 409368), (740, 378942), (822, 341140), (888, 315785), (922, 304140), (1096, 255855), (1110, 252628), (1370, 204684), (1383, 202760), (1480, 189471), (1644, 170570), (1844, 152070), (2055, 136456), (2220, 126314), (2305, 121656), (2740, 102342), (2766, 101380), (3288, 85285), (3688, 76035), (4110, 68228), (4440, 63157), (4610, 60828), (5069, 55320), (5480, 51171), (5532, 50690), (6915, 40552), (8220, 34114), (9220, 30414), (10138, 27660), (11064, 25345), (13830, 20276), (15207, 18440), (16440, 17057)]