20451676500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{48869}}^1$

素因数の和:48928

約数の個数: 192

約数和(自身を含む): 68308531200

約数和(自身を除く): 47856854700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 31, 36, 45, 50, 54, 60, 62, 75, 90, 93, 100, 108, 124, 125, 135, 150, 155, 180, 186, 225, 250, 270, 279, 300, 310, 372, 375, 450, 465, 500, 540, 558, 620, 675, 750, 775, 837, 900, 930, 1116, 1125, 1350, 1395, 1500, 1550, 1674, 1860, 2250, 2325, 2700, 2790, 3100, 3348, 3375, 3875, 4185, 4500, 4650, 5580, 6750, 6975, 7750, 8370, 9300, 11625, 13500, 13950, 15500, 16740, 20925, 23250, 27900, 34875, 41850, 46500, 48869, 69750, 83700, 97738, 104625, 139500, 146607, 195476, 209250, 244345, 293214, 418500, 439821, 488690, 586428, 733035, 879642, 977380, 1221725, 1319463, 1466070, 1514939, 1759284, 2199105, 2443450, 2638926, 2932140, 3029878, 3665175, 4398210, 4544817, 4886900, 5277852, 6059756, 6108625, 6597315, 7330350, 7574695, 8796420, 9089634, 10995525, 12217250, 13194630, 13634451, 14660700, 15149390, 18179268, 18325875, 21991050, 22724085, 24434500, 26389260, 27268902, 30298780, 32986575, 36651750, 37873475, 40903353, 43982100, 45448170, 54537804, 54977625, 65973150, 68172255, 73303500, 75746950, 81806706, 90896340, 109955250, 113620425, 131946300, 136344510, 151493900, 163613412, 164932875, 189367375, 204516765, 219910500, 227240850, 272689020, 329865750, 340861275, 378734750, 409033530, 454481700, 568102125, 659731500, 681722550, 757469500, 818067060, 1022583825, 1136204250, 1363445100, 1704306375, 2045167650, 2272408500, 3408612750, 4090335300, 5112919125, 6817225500, 10225838250, 20451676500]

約数ペア:

[(1, 20451676500), (2, 10225838250), (3, 6817225500), (4, 5112919125), (5, 4090335300), (6, 3408612750), (9, 2272408500), (10, 2045167650), (12, 1704306375), (15, 1363445100), (18, 1136204250), (20, 1022583825), (25, 818067060), (27, 757469500), (30, 681722550), (31, 659731500), (36, 568102125), (45, 454481700), (50, 409033530), (54, 378734750), (60, 340861275), (62, 329865750), (75, 272689020), (90, 227240850), (93, 219910500), (100, 204516765), (108, 189367375), (124, 164932875), (125, 163613412), (135, 151493900), (150, 136344510), (155, 131946300), (180, 113620425), (186, 109955250), (225, 90896340), (250, 81806706), (270, 75746950), (279, 73303500), (300, 68172255), (310, 65973150), (372, 54977625), (375, 54537804), (450, 45448170), (465, 43982100), (500, 40903353), (540, 37873475), (558, 36651750), (620, 32986575), (675, 30298780), (750, 27268902), (775, 26389260), (837, 24434500), (900, 22724085), (930, 21991050), (1116, 18325875), (1125, 18179268), (1350, 15149390), (1395, 14660700), (1500, 13634451), (1550, 13194630), (1674, 12217250), (1860, 10995525), (2250, 9089634), (2325, 8796420), (2700, 7574695), (2790, 7330350), (3100, 6597315), (3348, 6108625), (3375, 6059756), (3875, 5277852), (4185, 4886900), (4500, 4544817), (4650, 4398210), (5580, 3665175), (6750, 3029878), (6975, 2932140), (7750, 2638926), (8370, 2443450), (9300, 2199105), (11625, 1759284), (13500, 1514939), (13950, 1466070), (15500, 1319463), (16740, 1221725), (20925, 977380), (23250, 879642), (27900, 733035), (34875, 586428), (41850, 488690), (46500, 439821), (48869, 418500), (69750, 293214), (83700, 244345), (97738, 209250), (104625, 195476), (139500, 146607)]