219942540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1149

約数の個数: 120

約数和(自身を含む): 695705472

約数和(自身を除く): 475762932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 137, 162, 180, 270, 274, 324, 405, 411, 540, 548, 685, 810, 822, 991, 1233, 1370, 1620, 1644, 1982, 2055, 2466, 2740, 2973, 3699, 3964, 4110, 4932, 4955, 5946, 6165, 7398, 8220, 8919, 9910, 11097, 11892, 12330, 14796, 14865, 17838, 18495, 19820, 22194, 24660, 26757, 29730, 35676, 36990, 44388, 44595, 53514, 55485, 59460, 73980, 80271, 89190, 107028, 110970, 133785, 135767, 160542, 178380, 221940, 267570, 271534, 321084, 401355, 407301, 535140, 543068, 678835, 802710, 814602, 1221903, 1357670, 1605420, 1629204, 2036505, 2443806, 2715340, 3665709, 4073010, 4887612, 6109515, 7331418, 8146020, 10997127, 12219030, 14662836, 18328545, 21994254, 24438060, 36657090, 43988508, 54985635, 73314180, 109971270, 219942540]

約数ペア:

[(1, 219942540), (2, 109971270), (3, 73314180), (4, 54985635), (5, 43988508), (6, 36657090), (9, 24438060), (10, 21994254), (12, 18328545), (15, 14662836), (18, 12219030), (20, 10997127), (27, 8146020), (30, 7331418), (36, 6109515), (45, 4887612), (54, 4073010), (60, 3665709), (81, 2715340), (90, 2443806), (108, 2036505), (135, 1629204), (137, 1605420), (162, 1357670), (180, 1221903), (270, 814602), (274, 802710), (324, 678835), (405, 543068), (411, 535140), (540, 407301), (548, 401355), (685, 321084), (810, 271534), (822, 267570), (991, 221940), (1233, 178380), (1370, 160542), (1620, 135767), (1644, 133785), (1982, 110970), (2055, 107028), (2466, 89190), (2740, 80271), (2973, 73980), (3699, 59460), (3964, 55485), (4110, 53514), (4932, 44595), (4955, 44388), (5946, 36990), (6165, 35676), (7398, 29730), (8220, 26757), (8919, 24660), (9910, 22194), (11097, 19820), (11892, 18495), (12330, 17838), (14796, 14865)]