20181523040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{3559}}^1$

素因数の和:3725

約数の個数: 192

約数和(自身を含む): 56066411520

約数和(自身を除く): 35884888480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 70, 80, 83, 112, 122, 140, 160, 166, 224, 244, 280, 305, 332, 415, 427, 488, 560, 581, 610, 664, 830, 854, 976, 1120, 1162, 1220, 1328, 1660, 1708, 1952, 2135, 2324, 2440, 2656, 2905, 3320, 3416, 3559, 4270, 4648, 4880, 5063, 5810, 6640, 6832, 7118, 8540, 9296, 9760, 10126, 11620, 13280, 13664, 14236, 17080, 17795, 18592, 20252, 23240, 24913, 25315, 28472, 34160, 35441, 35590, 40504, 46480, 49826, 50630, 56944, 68320, 70882, 71180, 81008, 92960, 99652, 101260, 113888, 124565, 141764, 142360, 162016, 177205, 199304, 202520, 217099, 249130, 283528, 284720, 295397, 354410, 398608, 405040, 434198, 498260, 567056, 569440, 590794, 708820, 797216, 810080, 868396, 996520, 1085495, 1134112, 1181588, 1417640, 1476985, 1519693, 1736792, 1993040, 2067779, 2170990, 2363176, 2835280, 2953970, 3039386, 3473584, 3986080, 4135558, 4341980, 4726352, 5670560, 5907940, 6078772, 6947168, 7598465, 8271116, 8683960, 9452704, 10338895, 11815880, 12157544, 15196930, 16542232, 17367920, 18019217, 20677790, 23631760, 24315088, 30393860, 33084464, 34735840, 36038434, 41355580, 47263520, 48630176, 60787720, 66168928, 72076868, 82711160, 90096085, 121575440, 126134519, 144153736, 165422320, 180192170, 243150880, 252269038, 288307472, 330844640, 360384340, 504538076, 576614944, 630672595, 720768680, 1009076152, 1261345190, 1441537360, 2018152304, 2522690380, 2883074720, 4036304608, 5045380760, 10090761520, 20181523040]

約数ペア:

[(1, 20181523040), (2, 10090761520), (4, 5045380760), (5, 4036304608), (7, 2883074720), (8, 2522690380), (10, 2018152304), (14, 1441537360), (16, 1261345190), (20, 1009076152), (28, 720768680), (32, 630672595), (35, 576614944), (40, 504538076), (56, 360384340), (61, 330844640), (70, 288307472), (80, 252269038), (83, 243150880), (112, 180192170), (122, 165422320), (140, 144153736), (160, 126134519), (166, 121575440), (224, 90096085), (244, 82711160), (280, 72076868), (305, 66168928), (332, 60787720), (415, 48630176), (427, 47263520), (488, 41355580), (560, 36038434), (581, 34735840), (610, 33084464), (664, 30393860), (830, 24315088), (854, 23631760), (976, 20677790), (1120, 18019217), (1162, 17367920), (1220, 16542232), (1328, 15196930), (1660, 12157544), (1708, 11815880), (1952, 10338895), (2135, 9452704), (2324, 8683960), (2440, 8271116), (2656, 7598465), (2905, 6947168), (3320, 6078772), (3416, 5907940), (3559, 5670560), (4270, 4726352), (4648, 4341980), (4880, 4135558), (5063, 3986080), (5810, 3473584), (6640, 3039386), (6832, 2953970), (7118, 2835280), (8540, 2363176), (9296, 2170990), (9760, 2067779), (10126, 1993040), (11620, 1736792), (13280, 1519693), (13664, 1476985), (14236, 1417640), (17080, 1181588), (17795, 1134112), (18592, 1085495), (20252, 996520), (23240, 868396), (24913, 810080), (25315, 797216), (28472, 708820), (34160, 590794), (35441, 569440), (35590, 567056), (40504, 498260), (46480, 434198), (49826, 405040), (50630, 398608), (56944, 354410), (68320, 295397), (70882, 284720), (71180, 283528), (81008, 249130), (92960, 217099), (99652, 202520), (101260, 199304), (113888, 177205), (124565, 162016), (141764, 142360)]