161885340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1217}}^1$

素因数の和:1971

約数の個数: 72

約数和(自身を含む): 492120720

約数和(自身を除く): 330235380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 739, 1217, 1478, 2217, 2434, 2956, 3651, 3695, 4434, 4868, 6085, 6651, 7302, 7390, 8868, 10953, 11085, 12170, 13302, 14604, 14780, 18255, 21906, 22170, 24340, 26604, 33255, 36510, 43812, 44340, 54765, 66510, 73020, 109530, 133020, 219060, 899363, 1798726, 2698089, 3597452, 4496815, 5396178, 8094267, 8993630, 10792356, 13490445, 16188534, 17987260, 26980890, 32377068, 40471335, 53961780, 80942670, 161885340]

約数ペア:

[(1, 161885340), (2, 80942670), (3, 53961780), (4, 40471335), (5, 32377068), (6, 26980890), (9, 17987260), (10, 16188534), (12, 13490445), (15, 10792356), (18, 8993630), (20, 8094267), (30, 5396178), (36, 4496815), (45, 3597452), (60, 2698089), (90, 1798726), (180, 899363), (739, 219060), (1217, 133020), (1478, 109530), (2217, 73020), (2434, 66510), (2956, 54765), (3651, 44340), (3695, 43812), (4434, 36510), (4868, 33255), (6085, 26604), (6651, 24340), (7302, 22170), (7390, 21906), (8868, 18255), (10953, 14780), (11085, 14604), (12170, 13302)]