1245004020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1907}}^1$

素因数の和:1972

約数の個数: 240

約数和(自身を含む): 4344012288

約数和(自身を除く): 3099008268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 81, 90, 93, 108, 117, 124, 130, 135, 155, 156, 162, 180, 186, 195, 234, 260, 270, 279, 310, 324, 351, 372, 390, 403, 405, 465, 468, 540, 558, 585, 620, 702, 780, 806, 810, 837, 930, 1053, 1116, 1170, 1209, 1395, 1404, 1612, 1620, 1674, 1755, 1860, 1907, 2015, 2106, 2340, 2418, 2511, 2790, 3348, 3510, 3627, 3814, 4030, 4185, 4212, 4836, 5022, 5265, 5580, 5721, 6045, 7020, 7254, 7628, 8060, 8370, 9535, 10044, 10530, 10881, 11442, 12090, 12555, 14508, 16740, 17163, 18135, 19070, 21060, 21762, 22884, 24180, 24791, 25110, 28605, 32643, 34326, 36270, 38140, 43524, 49582, 50220, 51489, 54405, 57210, 59117, 65286, 68652, 72540, 74373, 85815, 99164, 102978, 108810, 114420, 118234, 123955, 130572, 148746, 154467, 163215, 171630, 177351, 205956, 217620, 223119, 236468, 247910, 257445, 295585, 297492, 308934, 326430, 343260, 354702, 371865, 446238, 495820, 514890, 532053, 591170, 617868, 652860, 669357, 709404, 743730, 768521, 772335, 886755, 892476, 1029780, 1064106, 1115595, 1182340, 1338714, 1487460, 1537042, 1544670, 1596159, 1773510, 2008071, 2128212, 2231190, 2305563, 2660265, 2677428, 3074084, 3089340, 3192318, 3346785, 3547020, 3842605, 4016142, 4462380, 4611126, 4788477, 5320530, 6384636, 6693570, 6916689, 7685210, 7980795, 8032284, 9222252, 9576954, 10040355, 10641060, 11527815, 13387140, 13833378, 15370420, 15961590, 19153908, 20080710, 20750067, 23055630, 23942385, 27666756, 31923180, 34583445, 40161420, 41500134, 46111260, 47884770, 62250201, 69166890, 83000268, 95769540, 103750335, 124500402, 138333780, 207500670, 249000804, 311251005, 415001340, 622502010, 1245004020]

約数ペア:

[(1, 1245004020), (2, 622502010), (3, 415001340), (4, 311251005), (5, 249000804), (6, 207500670), (9, 138333780), (10, 124500402), (12, 103750335), (13, 95769540), (15, 83000268), (18, 69166890), (20, 62250201), (26, 47884770), (27, 46111260), (30, 41500134), (31, 40161420), (36, 34583445), (39, 31923180), (45, 27666756), (52, 23942385), (54, 23055630), (60, 20750067), (62, 20080710), (65, 19153908), (78, 15961590), (81, 15370420), (90, 13833378), (93, 13387140), (108, 11527815), (117, 10641060), (124, 10040355), (130, 9576954), (135, 9222252), (155, 8032284), (156, 7980795), (162, 7685210), (180, 6916689), (186, 6693570), (195, 6384636), (234, 5320530), (260, 4788477), (270, 4611126), (279, 4462380), (310, 4016142), (324, 3842605), (351, 3547020), (372, 3346785), (390, 3192318), (403, 3089340), (405, 3074084), (465, 2677428), (468, 2660265), (540, 2305563), (558, 2231190), (585, 2128212), (620, 2008071), (702, 1773510), (780, 1596159), (806, 1544670), (810, 1537042), (837, 1487460), (930, 1338714), (1053, 1182340), (1116, 1115595), (1170, 1064106), (1209, 1029780), (1395, 892476), (1404, 886755), (1612, 772335), (1620, 768521), (1674, 743730), (1755, 709404), (1860, 669357), (1907, 652860), (2015, 617868), (2106, 591170), (2340, 532053), (2418, 514890), (2511, 495820), (2790, 446238), (3348, 371865), (3510, 354702), (3627, 343260), (3814, 326430), (4030, 308934), (4185, 297492), (4212, 295585), (4836, 257445), (5022, 247910), (5265, 236468), (5580, 223119), (5721, 217620), (6045, 205956), (7020, 177351), (7254, 171630), (7628, 163215), (8060, 154467), (8370, 148746), (9535, 130572), (10044, 123955), (10530, 118234), (10881, 114420), (11442, 108810), (12090, 102978), (12555, 99164), (14508, 85815), (16740, 74373), (17163, 72540), (18135, 68652), (19070, 65286), (21060, 59117), (21762, 57210), (22884, 54405), (24180, 51489), (24791, 50220), (25110, 49582), (28605, 43524), (32643, 38140), (34326, 36270)]