87281740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 216

約数和(自身を含む): 252346752

約数和(自身を除く): 165065012

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 31, 34, 35, 49, 52, 62, 65, 68, 70, 85, 91, 98, 119, 124, 130, 140, 155, 169, 170, 182, 196, 217, 221, 238, 245, 260, 310, 338, 340, 364, 403, 434, 442, 455, 476, 490, 527, 595, 620, 637, 676, 806, 833, 845, 868, 884, 910, 980, 1054, 1085, 1105, 1183, 1190, 1274, 1519, 1547, 1612, 1666, 1690, 1820, 2015, 2108, 2170, 2210, 2366, 2380, 2548, 2635, 2821, 2873, 3038, 3094, 3185, 3332, 3380, 3689, 4030, 4165, 4340, 4420, 4732, 5239, 5270, 5642, 5746, 5915, 6076, 6188, 6370, 6851, 7378, 7595, 7735, 8060, 8281, 8330, 10478, 10540, 10829, 11284, 11492, 11830, 12740, 13702, 14105, 14365, 14756, 15190, 15470, 16562, 16660, 18445, 19747, 20111, 20956, 21658, 23660, 25823, 26195, 27404, 28210, 28730, 30380, 30940, 33124, 34255, 36673, 36890, 39494, 40222, 41405, 43316, 47957, 51646, 52390, 54145, 56420, 57460, 68510, 73346, 73780, 78988, 80444, 82810, 89063, 95914, 98735, 100555, 103292, 104780, 108290, 129115, 137020, 140777, 146692, 165620, 178126, 183365, 191828, 197470, 201110, 216580, 239785, 256711, 258230, 281554, 335699, 356252, 366730, 394940, 402220, 445315, 479570, 513422, 516460, 563108, 623441, 671398, 703885, 733460, 890630, 959140, 1026844, 1246882, 1283555, 1342796, 1407770, 1678495, 1781260, 2493764, 2567110, 2815540, 3117205, 3356990, 4364087, 5134220, 6234410, 6713980, 8728174, 12468820, 17456348, 21820435, 43640870, 87281740]

約数ペア:

[(1, 87281740), (2, 43640870), (4, 21820435), (5, 17456348), (7, 12468820), (10, 8728174), (13, 6713980), (14, 6234410), (17, 5134220), (20, 4364087), (26, 3356990), (28, 3117205), (31, 2815540), (34, 2567110), (35, 2493764), (49, 1781260), (52, 1678495), (62, 1407770), (65, 1342796), (68, 1283555), (70, 1246882), (85, 1026844), (91, 959140), (98, 890630), (119, 733460), (124, 703885), (130, 671398), (140, 623441), (155, 563108), (169, 516460), (170, 513422), (182, 479570), (196, 445315), (217, 402220), (221, 394940), (238, 366730), (245, 356252), (260, 335699), (310, 281554), (338, 258230), (340, 256711), (364, 239785), (403, 216580), (434, 201110), (442, 197470), (455, 191828), (476, 183365), (490, 178126), (527, 165620), (595, 146692), (620, 140777), (637, 137020), (676, 129115), (806, 108290), (833, 104780), (845, 103292), (868, 100555), (884, 98735), (910, 95914), (980, 89063), (1054, 82810), (1085, 80444), (1105, 78988), (1183, 73780), (1190, 73346), (1274, 68510), (1519, 57460), (1547, 56420), (1612, 54145), (1666, 52390), (1690, 51646), (1820, 47957), (2015, 43316), (2108, 41405), (2170, 40222), (2210, 39494), (2366, 36890), (2380, 36673), (2548, 34255), (2635, 33124), (2821, 30940), (2873, 30380), (3038, 28730), (3094, 28210), (3185, 27404), (3332, 26195), (3380, 25823), (3689, 23660), (4030, 21658), (4165, 20956), (4340, 20111), (4420, 19747), (4732, 18445), (5239, 16660), (5270, 16562), (5642, 15470), (5746, 15190), (5915, 14756), (6076, 14365), (6188, 14105), (6370, 13702), (6851, 12740), (7378, 11830), (7595, 11492), (7735, 11284), (8060, 10829), (8281, 10540), (8330, 10478)]