30921360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6781}}^1$

素因数の和:6816

約数の個数: 80

約数和(自身を含む): 100916160

約数和(自身を除く): 69994800

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, 6781, 13562, 20343, 27124, 33905, 40686, 54248, 67810, 81372, 101715, 108496, 128839, 135620, 162744, 203430, 257678, 271240, 325488, 386517, 406860, 515356, 542480, 644195, 773034, 813720, 1030712, 1288390, 1546068, 1627440, 1932585, 2061424, 2576780, 3092136, 3865170, 5153560, 6184272, 7730340, 10307120, 15460680, 30921360]

約数ペア:

[(1, 30921360), (2, 15460680), (3, 10307120), (4, 7730340), (5, 6184272), (6, 5153560), (8, 3865170), (10, 3092136), (12, 2576780), (15, 2061424), (16, 1932585), (19, 1627440), (20, 1546068), (24, 1288390), (30, 1030712), (38, 813720), (40, 773034), (48, 644195), (57, 542480), (60, 515356), (76, 406860), (80, 386517), (95, 325488), (114, 271240), (120, 257678), (152, 203430), (190, 162744), (228, 135620), (240, 128839), (285, 108496), (304, 101715), (380, 81372), (456, 67810), (570, 54248), (760, 40686), (912, 33905), (1140, 27124), (1520, 20343), (2280, 13562), (4560, 6781)]