20781637200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{140797}}^1$

素因数の和:140862

約数の個数: 180

約数和(自身を含む): 73877555388

約数和(自身を除く): 53095918188

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 41, 45, 48, 50, 60, 72, 75, 80, 82, 90, 100, 120, 123, 144, 150, 164, 180, 200, 205, 225, 240, 246, 300, 328, 360, 369, 400, 410, 450, 492, 600, 615, 656, 720, 738, 820, 900, 984, 1025, 1200, 1230, 1476, 1640, 1800, 1845, 1968, 2050, 2460, 2952, 3075, 3280, 3600, 3690, 4100, 4920, 5904, 6150, 7380, 8200, 9225, 9840, 12300, 14760, 16400, 18450, 24600, 29520, 36900, 49200, 73800, 140797, 147600, 281594, 422391, 563188, 703985, 844782, 1126376, 1267173, 1407970, 1689564, 2111955, 2252752, 2534346, 2815940, 3379128, 3519925, 4223910, 5068692, 5631880, 5772677, 6335865, 6758256, 7039850, 8447820, 10137384, 10559775, 11263760, 11545354, 12671730, 14079700, 16895640, 17318031, 20274768, 21119550, 23090708, 25343460, 28159400, 28863385, 31679325, 33791280, 34636062, 42239100, 46181416, 50686920, 51954093, 56318800, 57726770, 63358650, 69272124, 84478200, 86590155, 92362832, 101373840, 103908186, 115453540, 126717300, 138544248, 144316925, 168956400, 173180310, 207816372, 230907080, 253434600, 259770465, 277088496, 288633850, 346360620, 415632744, 432950775, 461814160, 506869200, 519540930, 577267700, 692721240, 831265488, 865901550, 1039081860, 1154535400, 1298852325, 1385442480, 1731803100, 2078163720, 2309070800, 2597704650, 3463606200, 4156327440, 5195409300, 6927212400, 10390818600, 20781637200]

約数ペア:

[(1, 20781637200), (2, 10390818600), (3, 6927212400), (4, 5195409300), (5, 4156327440), (6, 3463606200), (8, 2597704650), (9, 2309070800), (10, 2078163720), (12, 1731803100), (15, 1385442480), (16, 1298852325), (18, 1154535400), (20, 1039081860), (24, 865901550), (25, 831265488), (30, 692721240), (36, 577267700), (40, 519540930), (41, 506869200), (45, 461814160), (48, 432950775), (50, 415632744), (60, 346360620), (72, 288633850), (75, 277088496), (80, 259770465), (82, 253434600), (90, 230907080), (100, 207816372), (120, 173180310), (123, 168956400), (144, 144316925), (150, 138544248), (164, 126717300), (180, 115453540), (200, 103908186), (205, 101373840), (225, 92362832), (240, 86590155), (246, 84478200), (300, 69272124), (328, 63358650), (360, 57726770), (369, 56318800), (400, 51954093), (410, 50686920), (450, 46181416), (492, 42239100), (600, 34636062), (615, 33791280), (656, 31679325), (720, 28863385), (738, 28159400), (820, 25343460), (900, 23090708), (984, 21119550), (1025, 20274768), (1200, 17318031), (1230, 16895640), (1476, 14079700), (1640, 12671730), (1800, 11545354), (1845, 11263760), (1968, 10559775), (2050, 10137384), (2460, 8447820), (2952, 7039850), (3075, 6758256), (3280, 6335865), (3600, 5772677), (3690, 5631880), (4100, 5068692), (4920, 4223910), (5904, 3519925), (6150, 3379128), (7380, 2815940), (8200, 2534346), (9225, 2252752), (9840, 2111955), (12300, 1689564), (14760, 1407970), (16400, 1267173), (18450, 1126376), (24600, 844782), (29520, 703985), (36900, 563188), (49200, 422391), (73800, 281594), (140797, 147600)]