19605600

素因数分解:

$2^5\times 3^2\times 5^2\times 7^1\times {\mathrm{389}}^1$

素因数の和:422

約数の個数: 216

約数和(自身を含む): 79213680

約数和(自身を除く): 59608080

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, 389, 400, 420, 450, 480, 504, 525, 560, 600, 630, 672, 700, 720, 778, 800, 840, 900, 1008, 1050, 1120, 1167, 1200, 1260, 1400, 1440, 1556, 1575, 1680, 1800, 1945, 2016, 2100, 2334, 2400, 2520, 2723, 2800, 3112, 3150, 3360, 3501, 3600, 3890, 4200, 4668, 5040, 5446, 5600, 5835, 6224, 6300, 7002, 7200, 7780, 8169, 8400, 9336, 9725, 10080, 10892, 11670, 12448, 12600, 13615, 14004, 15560, 16338, 16800, 17505, 18672, 19450, 21784, 23340, 24507, 25200, 27230, 28008, 29175, 31120, 32676, 35010, 37344, 38900, 40845, 43568, 46680, 49014, 50400, 54460, 56016, 58350, 62240, 65352, 68075, 70020, 77800, 81690, 87136, 87525, 93360, 98028, 108920, 112032, 116700, 122535, 130704, 136150, 140040, 155600, 163380, 175050, 186720, 196056, 204225, 217840, 233400, 245070, 261408, 272300, 280080, 311200, 326760, 350100, 392112, 408450, 435680, 466800, 490140, 544600, 560160, 612675, 653520, 700200, 784224, 816900, 933600, 980280, 1089200, 1225350, 1307040, 1400400, 1633800, 1960560, 2178400, 2450700, 2800800, 3267600, 3921120, 4901400, 6535200, 9802800, 19605600]

約数ペア:

[(1, 19605600), (2, 9802800), (3, 6535200), (4, 4901400), (5, 3921120), (6, 3267600), (7, 2800800), (8, 2450700), (9, 2178400), (10, 1960560), (12, 1633800), (14, 1400400), (15, 1307040), (16, 1225350), (18, 1089200), (20, 980280), (21, 933600), (24, 816900), (25, 784224), (28, 700200), (30, 653520), (32, 612675), (35, 560160), (36, 544600), (40, 490140), (42, 466800), (45, 435680), (48, 408450), (50, 392112), (56, 350100), (60, 326760), (63, 311200), (70, 280080), (72, 272300), (75, 261408), (80, 245070), (84, 233400), (90, 217840), (96, 204225), (100, 196056), (105, 186720), (112, 175050), (120, 163380), (126, 155600), (140, 140040), (144, 136150), (150, 130704), (160, 122535), (168, 116700), (175, 112032), (180, 108920), (200, 98028), (210, 93360), (224, 87525), (225, 87136), (240, 81690), (252, 77800), (280, 70020), (288, 68075), (300, 65352), (315, 62240), (336, 58350), (350, 56016), (360, 54460), (389, 50400), (400, 49014), (420, 46680), (450, 43568), (480, 40845), (504, 38900), (525, 37344), (560, 35010), (600, 32676), (630, 31120), (672, 29175), (700, 28008), (720, 27230), (778, 25200), (800, 24507), (840, 23340), (900, 21784), (1008, 19450), (1050, 18672), (1120, 17505), (1167, 16800), (1200, 16338), (1260, 15560), (1400, 14004), (1440, 13615), (1556, 12600), (1575, 12448), (1680, 11670), (1800, 10892), (1945, 10080), (2016, 9725), (2100, 9336), (2334, 8400), (2400, 8169), (2520, 7780), (2723, 7200), (2800, 7002), (3112, 6300), (3150, 6224), (3360, 5835), (3501, 5600), (3600, 5446), (3890, 5040), (4200, 4668)]