90981900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1141

約数の個数: 144

約数和(自身を含む): 302202880

約数和(自身を除く): 211220980

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, 135, 150, 155, 180, 186, 225, 270, 279, 300, 310, 372, 450, 465, 540, 558, 620, 675, 775, 837, 900, 930, 1087, 1116, 1350, 1395, 1550, 1674, 1860, 2174, 2325, 2700, 2790, 3100, 3261, 3348, 4185, 4348, 4650, 5435, 5580, 6522, 6975, 8370, 9300, 9783, 10870, 13044, 13950, 16305, 16740, 19566, 20925, 21740, 27175, 27900, 29349, 32610, 33697, 39132, 41850, 48915, 54350, 58698, 65220, 67394, 81525, 83700, 97830, 101091, 108700, 117396, 134788, 146745, 163050, 168485, 195660, 202182, 244575, 293490, 303273, 326100, 336970, 404364, 489150, 505455, 586980, 606546, 673940, 733725, 842425, 909819, 978300, 1010910, 1213092, 1467450, 1516365, 1684850, 1819638, 2021820, 2527275, 2934900, 3032730, 3369700, 3639276, 4549095, 5054550, 6065460, 7581825, 9098190, 10109100, 15163650, 18196380, 22745475, 30327300, 45490950, 90981900]

約数ペア:

[(1, 90981900), (2, 45490950), (3, 30327300), (4, 22745475), (5, 18196380), (6, 15163650), (9, 10109100), (10, 9098190), (12, 7581825), (15, 6065460), (18, 5054550), (20, 4549095), (25, 3639276), (27, 3369700), (30, 3032730), (31, 2934900), (36, 2527275), (45, 2021820), (50, 1819638), (54, 1684850), (60, 1516365), (62, 1467450), (75, 1213092), (90, 1010910), (93, 978300), (100, 909819), (108, 842425), (124, 733725), (135, 673940), (150, 606546), (155, 586980), (180, 505455), (186, 489150), (225, 404364), (270, 336970), (279, 326100), (300, 303273), (310, 293490), (372, 244575), (450, 202182), (465, 195660), (540, 168485), (558, 163050), (620, 146745), (675, 134788), (775, 117396), (837, 108700), (900, 101091), (930, 97830), (1087, 83700), (1116, 81525), (1350, 67394), (1395, 65220), (1550, 58698), (1674, 54350), (1860, 48915), (2174, 41850), (2325, 39132), (2700, 33697), (2790, 32610), (3100, 29349), (3261, 27900), (3348, 27175), (4185, 21740), (4348, 20925), (4650, 19566), (5435, 16740), (5580, 16305), (6522, 13950), (6975, 13044), (8370, 10870), (9300, 9783)]