87090900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 275024064

約数和(自身を除く): 187933164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 137, 150, 156, 163, 195, 260, 274, 300, 325, 326, 390, 411, 489, 548, 650, 652, 685, 780, 815, 822, 975, 978, 1300, 1370, 1630, 1644, 1781, 1950, 1956, 2055, 2119, 2445, 2740, 3260, 3425, 3562, 3900, 4075, 4110, 4238, 4890, 5343, 6357, 6850, 7124, 8150, 8220, 8476, 8905, 9780, 10275, 10595, 10686, 12225, 12714, 13700, 16300, 17810, 20550, 21190, 21372, 22331, 24450, 25428, 26715, 31785, 35620, 41100, 42380, 44525, 44662, 48900, 52975, 53430, 63570, 66993, 89050, 89324, 105950, 106860, 111655, 127140, 133575, 133986, 158925, 178100, 211900, 223310, 267150, 267972, 290303, 317850, 334965, 446620, 534300, 558275, 580606, 635700, 669930, 870909, 1116550, 1161212, 1339860, 1451515, 1674825, 1741818, 2233100, 2903030, 3349650, 3483636, 4354545, 5806060, 6699300, 7257575, 8709090, 14515150, 17418180, 21772725, 29030300, 43545450, 87090900]

約数ペア:

[(1, 87090900), (2, 43545450), (3, 29030300), (4, 21772725), (5, 17418180), (6, 14515150), (10, 8709090), (12, 7257575), (13, 6699300), (15, 5806060), (20, 4354545), (25, 3483636), (26, 3349650), (30, 2903030), (39, 2233100), (50, 1741818), (52, 1674825), (60, 1451515), (65, 1339860), (75, 1161212), (78, 1116550), (100, 870909), (130, 669930), (137, 635700), (150, 580606), (156, 558275), (163, 534300), (195, 446620), (260, 334965), (274, 317850), (300, 290303), (325, 267972), (326, 267150), (390, 223310), (411, 211900), (489, 178100), (548, 158925), (650, 133986), (652, 133575), (685, 127140), (780, 111655), (815, 106860), (822, 105950), (975, 89324), (978, 89050), (1300, 66993), (1370, 63570), (1630, 53430), (1644, 52975), (1781, 48900), (1950, 44662), (1956, 44525), (2055, 42380), (2119, 41100), (2445, 35620), (2740, 31785), (3260, 26715), (3425, 25428), (3562, 24450), (3900, 22331), (4075, 21372), (4110, 21190), (4238, 20550), (4890, 17810), (5343, 16300), (6357, 13700), (6850, 12714), (7124, 12225), (8150, 10686), (8220, 10595), (8476, 10275), (8905, 9780)]