71879080

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 192

約数和(自身を含む): 210816000

約数和(自身を除く): 138936920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 91, 98, 104, 124, 130, 140, 155, 169, 182, 196, 217, 245, 248, 260, 280, 310, 338, 343, 364, 392, 403, 434, 455, 490, 520, 620, 637, 676, 686, 728, 806, 845, 868, 910, 980, 1085, 1183, 1240, 1274, 1352, 1372, 1519, 1612, 1690, 1715, 1736, 1820, 1960, 2015, 2170, 2366, 2548, 2744, 2821, 3038, 3185, 3224, 3380, 3430, 3640, 4030, 4340, 4459, 4732, 5096, 5239, 5642, 5915, 6076, 6370, 6760, 6860, 7595, 8060, 8281, 8680, 8918, 9464, 10478, 10633, 11284, 11830, 12152, 12740, 13720, 14105, 15190, 16120, 16562, 17836, 19747, 20956, 21266, 22295, 22568, 23660, 25480, 26195, 28210, 30380, 33124, 35672, 36673, 39494, 41405, 41912, 42532, 44590, 47320, 52390, 53165, 56420, 57967, 60760, 66248, 73346, 78988, 82810, 85064, 89180, 98735, 104780, 106330, 112840, 115934, 138229, 146692, 157976, 165620, 178360, 183365, 197470, 209560, 212660, 231868, 256711, 276458, 289835, 293384, 331240, 366730, 394940, 425320, 463736, 513422, 552916, 579670, 691145, 733460, 789880, 1026844, 1105832, 1159340, 1283555, 1382290, 1466920, 1796977, 2053688, 2318680, 2567110, 2764580, 3593954, 5134220, 5529160, 7187908, 8984885, 10268440, 14375816, 17969770, 35939540, 71879080]

約数ペア:

[(1, 71879080), (2, 35939540), (4, 17969770), (5, 14375816), (7, 10268440), (8, 8984885), (10, 7187908), (13, 5529160), (14, 5134220), (20, 3593954), (26, 2764580), (28, 2567110), (31, 2318680), (35, 2053688), (40, 1796977), (49, 1466920), (52, 1382290), (56, 1283555), (62, 1159340), (65, 1105832), (70, 1026844), (91, 789880), (98, 733460), (104, 691145), (124, 579670), (130, 552916), (140, 513422), (155, 463736), (169, 425320), (182, 394940), (196, 366730), (217, 331240), (245, 293384), (248, 289835), (260, 276458), (280, 256711), (310, 231868), (338, 212660), (343, 209560), (364, 197470), (392, 183365), (403, 178360), (434, 165620), (455, 157976), (490, 146692), (520, 138229), (620, 115934), (637, 112840), (676, 106330), (686, 104780), (728, 98735), (806, 89180), (845, 85064), (868, 82810), (910, 78988), (980, 73346), (1085, 66248), (1183, 60760), (1240, 57967), (1274, 56420), (1352, 53165), (1372, 52390), (1519, 47320), (1612, 44590), (1690, 42532), (1715, 41912), (1736, 41405), (1820, 39494), (1960, 36673), (2015, 35672), (2170, 33124), (2366, 30380), (2548, 28210), (2744, 26195), (2821, 25480), (3038, 23660), (3185, 22568), (3224, 22295), (3380, 21266), (3430, 20956), (3640, 19747), (4030, 17836), (4340, 16562), (4459, 16120), (4732, 15190), (5096, 14105), (5239, 13720), (5642, 12740), (5915, 12152), (6076, 11830), (6370, 11284), (6760, 10633), (6860, 10478), (7595, 9464), (8060, 8918), (8281, 8680)]