66405840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1021}}^1$

素因数の和:1308

約数の個数: 80

約数和(自身を含む): 206820096

約数和(自身を除く): 140414256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 271, 542, 813, 1021, 1084, 1355, 1626, 2042, 2168, 2710, 3063, 3252, 4065, 4084, 4336, 5105, 5420, 6126, 6504, 8130, 8168, 10210, 10840, 12252, 13008, 15315, 16260, 16336, 20420, 21680, 24504, 30630, 32520, 40840, 49008, 61260, 65040, 81680, 122520, 245040, 276691, 553382, 830073, 1106764, 1383455, 1660146, 2213528, 2766910, 3320292, 4150365, 4427056, 5533820, 6640584, 8300730, 11067640, 13281168, 16601460, 22135280, 33202920, 66405840]

約数ペア:

[(1, 66405840), (2, 33202920), (3, 22135280), (4, 16601460), (5, 13281168), (6, 11067640), (8, 8300730), (10, 6640584), (12, 5533820), (15, 4427056), (16, 4150365), (20, 3320292), (24, 2766910), (30, 2213528), (40, 1660146), (48, 1383455), (60, 1106764), (80, 830073), (120, 553382), (240, 276691), (271, 245040), (542, 122520), (813, 81680), (1021, 65040), (1084, 61260), (1355, 49008), (1626, 40840), (2042, 32520), (2168, 30630), (2710, 24504), (3063, 21680), (3252, 20420), (4065, 16336), (4084, 16260), (4336, 15315), (5105, 13008), (5420, 12252), (6126, 10840), (6504, 10210), (8130, 8168)]