1813500

素因数分解:

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

素因数の和:69

約数の個数: 144

約数和(自身を含む): 6359808

約数和(自身を除く): 4546308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 31, 36, 39, 45, 50, 52, 60, 62, 65, 75, 78, 90, 93, 100, 117, 124, 125, 130, 150, 155, 156, 180, 186, 195, 225, 234, 250, 260, 279, 300, 310, 325, 372, 375, 390, 403, 450, 465, 468, 500, 558, 585, 620, 650, 750, 775, 780, 806, 900, 930, 975, 1116, 1125, 1170, 1209, 1300, 1395, 1500, 1550, 1612, 1625, 1860, 1950, 2015, 2250, 2325, 2340, 2418, 2790, 2925, 3100, 3250, 3627, 3875, 3900, 4030, 4500, 4650, 4836, 4875, 5580, 5850, 6045, 6500, 6975, 7254, 7750, 8060, 9300, 9750, 10075, 11625, 11700, 12090, 13950, 14508, 14625, 15500, 18135, 19500, 20150, 23250, 24180, 27900, 29250, 30225, 34875, 36270, 40300, 46500, 50375, 58500, 60450, 69750, 72540, 90675, 100750, 120900, 139500, 151125, 181350, 201500, 302250, 362700, 453375, 604500, 906750, 1813500]

約数ペア:

[(1, 1813500), (2, 906750), (3, 604500), (4, 453375), (5, 362700), (6, 302250), (9, 201500), (10, 181350), (12, 151125), (13, 139500), (15, 120900), (18, 100750), (20, 90675), (25, 72540), (26, 69750), (30, 60450), (31, 58500), (36, 50375), (39, 46500), (45, 40300), (50, 36270), (52, 34875), (60, 30225), (62, 29250), (65, 27900), (75, 24180), (78, 23250), (90, 20150), (93, 19500), (100, 18135), (117, 15500), (124, 14625), (125, 14508), (130, 13950), (150, 12090), (155, 11700), (156, 11625), (180, 10075), (186, 9750), (195, 9300), (225, 8060), (234, 7750), (250, 7254), (260, 6975), (279, 6500), (300, 6045), (310, 5850), (325, 5580), (372, 4875), (375, 4836), (390, 4650), (403, 4500), (450, 4030), (465, 3900), (468, 3875), (500, 3627), (558, 3250), (585, 3100), (620, 2925), (650, 2790), (750, 2418), (775, 2340), (780, 2325), (806, 2250), (900, 2015), (930, 1950), (975, 1860), (1116, 1625), (1125, 1612), (1170, 1550), (1209, 1500), (1300, 1395)]