18353394920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:413

約数の個数: 256

約数和(自身を含む): 49641984000

約数和(自身を除く): 31288589080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 83, 98, 140, 142, 166, 196, 227, 245, 280, 284, 332, 343, 355, 392, 415, 454, 490, 497, 568, 581, 664, 686, 710, 830, 908, 980, 994, 1135, 1162, 1372, 1420, 1589, 1660, 1715, 1816, 1960, 1988, 2270, 2324, 2485, 2744, 2840, 2905, 3178, 3320, 3430, 3479, 3976, 4067, 4540, 4648, 4970, 5810, 5893, 6356, 6860, 6958, 7945, 8134, 9080, 9940, 11123, 11620, 11786, 12712, 13720, 13916, 15890, 16117, 16268, 17395, 18841, 19880, 20335, 22246, 23240, 23572, 24353, 27832, 28469, 29465, 31780, 32234, 32536, 34790, 37682, 40670, 41251, 44492, 47144, 48706, 55615, 56938, 58930, 63560, 64468, 69580, 75364, 77861, 80585, 81340, 82502, 88984, 94205, 97412, 111230, 112819, 113876, 117860, 121765, 128936, 131887, 139160, 142345, 150728, 155722, 161170, 162680, 165004, 188410, 194824, 206255, 222460, 225638, 227752, 235720, 243530, 263774, 284690, 288757, 311444, 322340, 330008, 376820, 389305, 412510, 444920, 451276, 487060, 527548, 564095, 569380, 577514, 622888, 644680, 659435, 753640, 778610, 789733, 825020, 902552, 923209, 974120, 1055096, 1128190, 1138760, 1155028, 1318870, 1337711, 1443785, 1557220, 1579466, 1650040, 1846418, 2021299, 2256380, 2310056, 2637740, 2675422, 2887570, 3114440, 3158932, 3692836, 3948665, 4042598, 4512760, 4616045, 5275480, 5350844, 5528131, 5775140, 6317864, 6462463, 6688555, 7385672, 7897330, 8085196, 9232090, 9363977, 10106495, 10701688, 11056262, 11550280, 12924926, 13377110, 15794660, 16170392, 18464180, 18727954, 20212990, 22112524, 25849852, 26754220, 27640655, 31589320, 32312315, 36928360, 37455908, 40425980, 44225048, 46819885, 51699704, 53508440, 55281310, 64624630, 65547839, 74911816, 80851960, 93639770, 110562620, 129249260, 131095678, 187279540, 221125240, 258498520, 262191356, 327739195, 374559080, 458834873, 524382712, 655478390, 917669746, 1310956780, 1835339492, 2294174365, 2621913560, 3670678984, 4588348730, 9176697460, 18353394920]

約数ペア:

[(1, 18353394920), (2, 9176697460), (4, 4588348730), (5, 3670678984), (7, 2621913560), (8, 2294174365), (10, 1835339492), (14, 1310956780), (20, 917669746), (28, 655478390), (35, 524382712), (40, 458834873), (49, 374559080), (56, 327739195), (70, 262191356), (71, 258498520), (83, 221125240), (98, 187279540), (140, 131095678), (142, 129249260), (166, 110562620), (196, 93639770), (227, 80851960), (245, 74911816), (280, 65547839), (284, 64624630), (332, 55281310), (343, 53508440), (355, 51699704), (392, 46819885), (415, 44225048), (454, 40425980), (490, 37455908), (497, 36928360), (568, 32312315), (581, 31589320), (664, 27640655), (686, 26754220), (710, 25849852), (830, 22112524), (908, 20212990), (980, 18727954), (994, 18464180), (1135, 16170392), (1162, 15794660), (1372, 13377110), (1420, 12924926), (1589, 11550280), (1660, 11056262), (1715, 10701688), (1816, 10106495), (1960, 9363977), (1988, 9232090), (2270, 8085196), (2324, 7897330), (2485, 7385672), (2744, 6688555), (2840, 6462463), (2905, 6317864), (3178, 5775140), (3320, 5528131), (3430, 5350844), (3479, 5275480), (3976, 4616045), (4067, 4512760), (4540, 4042598), (4648, 3948665), (4970, 3692836), (5810, 3158932), (5893, 3114440), (6356, 2887570), (6860, 2675422), (6958, 2637740), (7945, 2310056), (8134, 2256380), (9080, 2021299), (9940, 1846418), (11123, 1650040), (11620, 1579466), (11786, 1557220), (12712, 1443785), (13720, 1337711), (13916, 1318870), (15890, 1155028), (16117, 1138760), (16268, 1128190), (17395, 1055096), (18841, 974120), (19880, 923209), (20335, 902552), (22246, 825020), (23240, 789733), (23572, 778610), (24353, 753640), (27832, 659435), (28469, 644680), (29465, 622888), (31780, 577514), (32234, 569380), (32536, 564095), (34790, 527548), (37682, 487060), (40670, 451276), (41251, 444920), (44492, 412510), (47144, 389305), (48706, 376820), (55615, 330008), (56938, 322340), (58930, 311444), (63560, 288757), (64468, 284690), (69580, 263774), (75364, 243530), (77861, 235720), (80585, 227752), (81340, 225638), (82502, 222460), (88984, 206255), (94205, 194824), (97412, 188410), (111230, 165004), (112819, 162680), (113876, 161170), (117860, 155722), (121765, 150728), (128936, 142345), (131887, 139160)]