21856080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4793}}^1$

素因数の和:4828

約数の個数: 80

約数和(自身を含む): 71334720

約数和(自身を除く): 49478640

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, 4560, 4793, 9586, 14379, 19172, 23965, 28758, 38344, 47930, 57516, 71895, 76688, 91067, 95860, 115032, 143790, 182134, 191720, 230064, 273201, 287580, 364268, 383440, 455335, 546402, 575160, 728536, 910670, 1092804, 1150320, 1366005, 1457072, 1821340, 2185608, 2732010, 3642680, 4371216, 5464020, 7285360, 10928040, 21856080]

約数ペア:

[(1, 21856080), (2, 10928040), (3, 7285360), (4, 5464020), (5, 4371216), (6, 3642680), (8, 2732010), (10, 2185608), (12, 1821340), (15, 1457072), (16, 1366005), (19, 1150320), (20, 1092804), (24, 910670), (30, 728536), (38, 575160), (40, 546402), (48, 455335), (57, 383440), (60, 364268), (76, 287580), (80, 273201), (95, 230064), (114, 191720), (120, 182134), (152, 143790), (190, 115032), (228, 95860), (240, 91067), (285, 76688), (304, 71895), (380, 57516), (456, 47930), (570, 38344), (760, 28758), (912, 23965), (1140, 19172), (1520, 14379), (2280, 9586), (4560, 4793)]