257051340

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5231}}^1$

素因数の和:5269

約数の個数: 192

約数和(自身を含む): 984453120

約数和(自身を除く): 727401780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1365, 1404, 1638, 1755, 1820, 1890, 2340, 2457, 2730, 3276, 3510, 3780, 4095, 4914, 5231, 5460, 7020, 8190, 9828, 10462, 12285, 15693, 16380, 20924, 24570, 26155, 31386, 36617, 47079, 49140, 52310, 62772, 68003, 73234, 78465, 94158, 104620, 109851, 136006, 141237, 146468, 156930, 183085, 188316, 204009, 219702, 235395, 272012, 282474, 313860, 329553, 340015, 366170, 408018, 439404, 470790, 476021, 549255, 564948, 612027, 659106, 680030, 706185, 732340, 816036, 941580, 952042, 988659, 1020045, 1098510, 1224054, 1318212, 1360060, 1412370, 1428063, 1647765, 1836081, 1904084, 1977318, 2040090, 2197020, 2380105, 2448108, 2824740, 2856126, 3060135, 3295530, 3672162, 3954636, 4080180, 4284189, 4760210, 4943295, 5712252, 6120270, 6591060, 7140315, 7344324, 8568378, 9180405, 9520420, 9886590, 12240540, 12852567, 14280630, 17136756, 18360810, 19773180, 21420945, 25705134, 28561260, 36721620, 42841890, 51410268, 64262835, 85683780, 128525670, 257051340]

約数ペア:

[(1, 257051340), (2, 128525670), (3, 85683780), (4, 64262835), (5, 51410268), (6, 42841890), (7, 36721620), (9, 28561260), (10, 25705134), (12, 21420945), (13, 19773180), (14, 18360810), (15, 17136756), (18, 14280630), (20, 12852567), (21, 12240540), (26, 9886590), (27, 9520420), (28, 9180405), (30, 8568378), (35, 7344324), (36, 7140315), (39, 6591060), (42, 6120270), (45, 5712252), (52, 4943295), (54, 4760210), (60, 4284189), (63, 4080180), (65, 3954636), (70, 3672162), (78, 3295530), (84, 3060135), (90, 2856126), (91, 2824740), (105, 2448108), (108, 2380105), (117, 2197020), (126, 2040090), (130, 1977318), (135, 1904084), (140, 1836081), (156, 1647765), (180, 1428063), (182, 1412370), (189, 1360060), (195, 1318212), (210, 1224054), (234, 1098510), (252, 1020045), (260, 988659), (270, 952042), (273, 941580), (315, 816036), (351, 732340), (364, 706185), (378, 680030), (390, 659106), (420, 612027), (455, 564948), (468, 549255), (540, 476021), (546, 470790), (585, 439404), (630, 408018), (702, 366170), (756, 340015), (780, 329553), (819, 313860), (910, 282474), (945, 272012), (1092, 235395), (1170, 219702), (1260, 204009), (1365, 188316), (1404, 183085), (1638, 156930), (1755, 146468), (1820, 141237), (1890, 136006), (2340, 109851), (2457, 104620), (2730, 94158), (3276, 78465), (3510, 73234), (3780, 68003), (4095, 62772), (4914, 52310), (5231, 49140), (5460, 47079), (7020, 36617), (8190, 31386), (9828, 26155), (10462, 24570), (12285, 20924), (15693, 16380)]