20159760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4421}}^1$

素因数の和:4456

約数の個数: 80

約数和(自身を含む): 65799360

約数和(自身を除く): 45639600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4421, 4560, 8842, 13263, 17684, 22105, 26526, 35368, 44210, 53052, 66315, 70736, 83999, 88420, 106104, 132630, 167998, 176840, 212208, 251997, 265260, 335996, 353680, 419995, 503994, 530520, 671992, 839990, 1007988, 1061040, 1259985, 1343984, 1679980, 2015976, 2519970, 3359960, 4031952, 5039940, 6719920, 10079880, 20159760]

約数ペア:

[(1, 20159760), (2, 10079880), (3, 6719920), (4, 5039940), (5, 4031952), (6, 3359960), (8, 2519970), (10, 2015976), (12, 1679980), (15, 1343984), (16, 1259985), (19, 1061040), (20, 1007988), (24, 839990), (30, 671992), (38, 530520), (40, 503994), (48, 419995), (57, 353680), (60, 335996), (76, 265260), (80, 251997), (95, 212208), (114, 176840), (120, 167998), (152, 132630), (190, 106104), (228, 88420), (240, 83999), (285, 70736), (304, 66315), (380, 53052), (456, 44210), (570, 35368), (760, 26526), (912, 22105), (1140, 17684), (1520, 13263), (2280, 8842), (4421, 4560)]