31882500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:152

約数の個数: 180

約数和(自身を含む): 109449340

約数和(自身を除く): 77566840

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 109, 117, 125, 130, 150, 156, 180, 195, 218, 225, 234, 250, 260, 300, 325, 327, 375, 390, 436, 450, 468, 500, 545, 585, 625, 650, 654, 750, 780, 900, 975, 981, 1090, 1125, 1170, 1250, 1300, 1308, 1417, 1500, 1625, 1635, 1875, 1950, 1962, 2180, 2250, 2340, 2500, 2725, 2834, 2925, 3250, 3270, 3750, 3900, 3924, 4251, 4500, 4875, 4905, 5450, 5625, 5668, 5850, 6500, 6540, 7085, 7500, 8125, 8175, 8502, 9750, 9810, 10900, 11250, 11700, 12753, 13625, 14170, 14625, 16250, 16350, 17004, 19500, 19620, 21255, 22500, 24375, 24525, 25506, 27250, 28340, 29250, 32500, 32700, 35425, 40875, 42510, 48750, 49050, 51012, 54500, 58500, 63765, 68125, 70850, 73125, 81750, 85020, 97500, 98100, 106275, 122625, 127530, 136250, 141700, 146250, 163500, 177125, 204375, 212550, 245250, 255060, 272500, 292500, 318825, 354250, 408750, 425100, 490500, 531375, 613125, 637650, 708500, 817500, 885625, 1062750, 1226250, 1275300, 1594125, 1771250, 2125500, 2452500, 2656875, 3188250, 3542500, 5313750, 6376500, 7970625, 10627500, 15941250, 31882500]

約数ペア:

[(1, 31882500), (2, 15941250), (3, 10627500), (4, 7970625), (5, 6376500), (6, 5313750), (9, 3542500), (10, 3188250), (12, 2656875), (13, 2452500), (15, 2125500), (18, 1771250), (20, 1594125), (25, 1275300), (26, 1226250), (30, 1062750), (36, 885625), (39, 817500), (45, 708500), (50, 637650), (52, 613125), (60, 531375), (65, 490500), (75, 425100), (78, 408750), (90, 354250), (100, 318825), (109, 292500), (117, 272500), (125, 255060), (130, 245250), (150, 212550), (156, 204375), (180, 177125), (195, 163500), (218, 146250), (225, 141700), (234, 136250), (250, 127530), (260, 122625), (300, 106275), (325, 98100), (327, 97500), (375, 85020), (390, 81750), (436, 73125), (450, 70850), (468, 68125), (500, 63765), (545, 58500), (585, 54500), (625, 51012), (650, 49050), (654, 48750), (750, 42510), (780, 40875), (900, 35425), (975, 32700), (981, 32500), (1090, 29250), (1125, 28340), (1170, 27250), (1250, 25506), (1300, 24525), (1308, 24375), (1417, 22500), (1500, 21255), (1625, 19620), (1635, 19500), (1875, 17004), (1950, 16350), (1962, 16250), (2180, 14625), (2250, 14170), (2340, 13625), (2500, 12753), (2725, 11700), (2834, 11250), (2925, 10900), (3250, 9810), (3270, 9750), (3750, 8502), (3900, 8175), (3924, 8125), (4251, 7500), (4500, 7085), (4875, 6540), (4905, 6500), (5450, 5850), (5625, 5668)]