2157604920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:706

約数の個数: 192

約数和(自身を含む): 7156356480

約数和(自身を除く): 4998751560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 163, 166, 180, 249, 326, 332, 360, 415, 443, 489, 498, 652, 664, 747, 815, 830, 886, 978, 996, 1245, 1304, 1329, 1467, 1494, 1630, 1660, 1772, 1956, 1992, 2215, 2445, 2490, 2658, 2934, 2988, 3260, 3320, 3544, 3735, 3912, 3987, 4430, 4890, 4980, 5316, 5868, 5976, 6520, 6645, 7335, 7470, 7974, 8860, 9780, 9960, 10632, 11736, 13290, 13529, 14670, 14940, 15948, 17720, 19560, 19935, 26580, 27058, 29340, 29880, 31896, 36769, 39870, 40587, 53160, 54116, 58680, 67645, 72209, 73538, 79740, 81174, 108232, 110307, 121761, 135290, 144418, 147076, 159480, 162348, 183845, 202935, 216627, 220614, 243522, 270580, 288836, 294152, 324696, 330921, 361045, 367690, 405870, 433254, 441228, 487044, 541160, 551535, 577672, 608805, 649881, 661842, 722090, 735380, 811740, 866508, 882456, 974088, 1083135, 1103070, 1217610, 1299762, 1323684, 1444180, 1470760, 1623480, 1654605, 1733016, 2166270, 2206140, 2435220, 2599524, 2647368, 2888360, 3249405, 3309210, 4332540, 4412280, 4870440, 5199048, 5993347, 6498810, 6618420, 8665080, 11986694, 12997620, 13236840, 17980041, 23973388, 25995240, 29966735, 35960082, 47946776, 53940123, 59933470, 71920164, 89900205, 107880246, 119866940, 143840328, 179800410, 215760492, 239733880, 269700615, 359600820, 431520984, 539401230, 719201640, 1078802460, 2157604920]

約数ペア:

[(1, 2157604920), (2, 1078802460), (3, 719201640), (4, 539401230), (5, 431520984), (6, 359600820), (8, 269700615), (9, 239733880), (10, 215760492), (12, 179800410), (15, 143840328), (18, 119866940), (20, 107880246), (24, 89900205), (30, 71920164), (36, 59933470), (40, 53940123), (45, 47946776), (60, 35960082), (72, 29966735), (83, 25995240), (90, 23973388), (120, 17980041), (163, 13236840), (166, 12997620), (180, 11986694), (249, 8665080), (326, 6618420), (332, 6498810), (360, 5993347), (415, 5199048), (443, 4870440), (489, 4412280), (498, 4332540), (652, 3309210), (664, 3249405), (747, 2888360), (815, 2647368), (830, 2599524), (886, 2435220), (978, 2206140), (996, 2166270), (1245, 1733016), (1304, 1654605), (1329, 1623480), (1467, 1470760), (1494, 1444180), (1630, 1323684), (1660, 1299762), (1772, 1217610), (1956, 1103070), (1992, 1083135), (2215, 974088), (2445, 882456), (2490, 866508), (2658, 811740), (2934, 735380), (2988, 722090), (3260, 661842), (3320, 649881), (3544, 608805), (3735, 577672), (3912, 551535), (3987, 541160), (4430, 487044), (4890, 441228), (4980, 433254), (5316, 405870), (5868, 367690), (5976, 361045), (6520, 330921), (6645, 324696), (7335, 294152), (7470, 288836), (7974, 270580), (8860, 243522), (9780, 220614), (9960, 216627), (10632, 202935), (11736, 183845), (13290, 162348), (13529, 159480), (14670, 147076), (14940, 144418), (15948, 135290), (17720, 121761), (19560, 110307), (19935, 108232), (26580, 81174), (27058, 79740), (29340, 73538), (29880, 72209), (31896, 67645), (36769, 58680), (39870, 54116), (40587, 53160)]