20008800

素因数分解:

$2^5\times 3^2\times 5^2\times 7^1\times {\mathrm{397}}^1$

素因数の和:430

約数の個数: 216

約数和(自身を含む): 80838576

約数和(自身を除く): 60829776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 126, 140, 144, 150, 160, 168, 175, 180, 200, 210, 224, 225, 240, 252, 280, 288, 300, 315, 336, 350, 360, 397, 400, 420, 450, 480, 504, 525, 560, 600, 630, 672, 700, 720, 794, 800, 840, 900, 1008, 1050, 1120, 1191, 1200, 1260, 1400, 1440, 1575, 1588, 1680, 1800, 1985, 2016, 2100, 2382, 2400, 2520, 2779, 2800, 3150, 3176, 3360, 3573, 3600, 3970, 4200, 4764, 5040, 5558, 5600, 5955, 6300, 6352, 7146, 7200, 7940, 8337, 8400, 9528, 9925, 10080, 11116, 11910, 12600, 12704, 13895, 14292, 15880, 16674, 16800, 17865, 19056, 19850, 22232, 23820, 25011, 25200, 27790, 28584, 29775, 31760, 33348, 35730, 38112, 39700, 41685, 44464, 47640, 50022, 50400, 55580, 57168, 59550, 63520, 66696, 69475, 71460, 79400, 83370, 88928, 89325, 95280, 100044, 111160, 114336, 119100, 125055, 133392, 138950, 142920, 158800, 166740, 178650, 190560, 200088, 208425, 222320, 238200, 250110, 266784, 277900, 285840, 317600, 333480, 357300, 400176, 416850, 444640, 476400, 500220, 555800, 571680, 625275, 666960, 714600, 800352, 833700, 952800, 1000440, 1111600, 1250550, 1333920, 1429200, 1667400, 2000880, 2223200, 2501100, 2858400, 3334800, 4001760, 5002200, 6669600, 10004400, 20008800]

約数ペア:

[(1, 20008800), (2, 10004400), (3, 6669600), (4, 5002200), (5, 4001760), (6, 3334800), (7, 2858400), (8, 2501100), (9, 2223200), (10, 2000880), (12, 1667400), (14, 1429200), (15, 1333920), (16, 1250550), (18, 1111600), (20, 1000440), (21, 952800), (24, 833700), (25, 800352), (28, 714600), (30, 666960), (32, 625275), (35, 571680), (36, 555800), (40, 500220), (42, 476400), (45, 444640), (48, 416850), (50, 400176), (56, 357300), (60, 333480), (63, 317600), (70, 285840), (72, 277900), (75, 266784), (80, 250110), (84, 238200), (90, 222320), (96, 208425), (100, 200088), (105, 190560), (112, 178650), (120, 166740), (126, 158800), (140, 142920), (144, 138950), (150, 133392), (160, 125055), (168, 119100), (175, 114336), (180, 111160), (200, 100044), (210, 95280), (224, 89325), (225, 88928), (240, 83370), (252, 79400), (280, 71460), (288, 69475), (300, 66696), (315, 63520), (336, 59550), (350, 57168), (360, 55580), (397, 50400), (400, 50022), (420, 47640), (450, 44464), (480, 41685), (504, 39700), (525, 38112), (560, 35730), (600, 33348), (630, 31760), (672, 29775), (700, 28584), (720, 27790), (794, 25200), (800, 25011), (840, 23820), (900, 22232), (1008, 19850), (1050, 19056), (1120, 17865), (1191, 16800), (1200, 16674), (1260, 15880), (1400, 14292), (1440, 13895), (1575, 12704), (1588, 12600), (1680, 11910), (1800, 11116), (1985, 10080), (2016, 9925), (2100, 9528), (2382, 8400), (2400, 8337), (2520, 7940), (2779, 7200), (2800, 7146), (3150, 6352), (3176, 6300), (3360, 5955), (3573, 5600), (3600, 5558), (3970, 5040), (4200, 4764)]