71028440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:230

約数の個数: 128

約数和(自身を含む): 193536000

約数和(自身を除く): 122507560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 167, 196, 217, 245, 248, 280, 310, 334, 343, 392, 434, 490, 620, 668, 686, 835, 868, 980, 1085, 1169, 1240, 1336, 1372, 1519, 1670, 1715, 1736, 1960, 2170, 2338, 2744, 3038, 3340, 3430, 4340, 4676, 5177, 5845, 6076, 6680, 6860, 7595, 8183, 8680, 9352, 10354, 10633, 11690, 12152, 13720, 15190, 16366, 20708, 21266, 23380, 25885, 30380, 32732, 36239, 40915, 41416, 42532, 46760, 51770, 53165, 57281, 60760, 65464, 72478, 81830, 85064, 103540, 106330, 114562, 144956, 163660, 181195, 207080, 212660, 229124, 253673, 286405, 289912, 327320, 362390, 425320, 458248, 507346, 572810, 724780, 1014692, 1145620, 1268365, 1449560, 1775711, 2029384, 2291240, 2536730, 3551422, 5073460, 7102844, 8878555, 10146920, 14205688, 17757110, 35514220, 71028440]

約数ペア:

[(1, 71028440), (2, 35514220), (4, 17757110), (5, 14205688), (7, 10146920), (8, 8878555), (10, 7102844), (14, 5073460), (20, 3551422), (28, 2536730), (31, 2291240), (35, 2029384), (40, 1775711), (49, 1449560), (56, 1268365), (62, 1145620), (70, 1014692), (98, 724780), (124, 572810), (140, 507346), (155, 458248), (167, 425320), (196, 362390), (217, 327320), (245, 289912), (248, 286405), (280, 253673), (310, 229124), (334, 212660), (343, 207080), (392, 181195), (434, 163660), (490, 144956), (620, 114562), (668, 106330), (686, 103540), (835, 85064), (868, 81830), (980, 72478), (1085, 65464), (1169, 60760), (1240, 57281), (1336, 53165), (1372, 51770), (1519, 46760), (1670, 42532), (1715, 41416), (1736, 40915), (1960, 36239), (2170, 32732), (2338, 30380), (2744, 25885), (3038, 23380), (3340, 21266), (3430, 20708), (4340, 16366), (4676, 15190), (5177, 13720), (5845, 12152), (6076, 11690), (6680, 10633), (6860, 10354), (7595, 9352), (8183, 8680)]