280747620

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1032

約数の個数: 144

約数和(自身を含む): 898567488

約数和(自身を除く): 617819868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 243, 244, 270, 305, 324, 366, 405, 486, 540, 549, 610, 732, 810, 915, 947, 972, 1098, 1215, 1220, 1620, 1647, 1830, 1894, 2196, 2430, 2745, 2841, 3294, 3660, 3788, 4735, 4860, 4941, 5490, 5682, 6588, 8235, 8523, 9470, 9882, 10980, 11364, 14205, 14823, 16470, 17046, 18940, 19764, 24705, 25569, 28410, 29646, 32940, 34092, 42615, 49410, 51138, 56820, 57767, 59292, 74115, 76707, 85230, 98820, 102276, 115534, 127845, 148230, 153414, 170460, 173301, 230121, 231068, 255690, 288835, 296460, 306828, 346602, 383535, 460242, 511380, 519903, 577670, 693204, 767070, 866505, 920484, 1039806, 1150605, 1155340, 1534140, 1559709, 1733010, 2079612, 2301210, 2599515, 3119418, 3466020, 4602420, 4679127, 5199030, 6238836, 7798545, 9358254, 10398060, 14037381, 15597090, 18716508, 23395635, 28074762, 31194180, 46791270, 56149524, 70186905, 93582540, 140373810, 280747620]

約数ペア:

[(1, 280747620), (2, 140373810), (3, 93582540), (4, 70186905), (5, 56149524), (6, 46791270), (9, 31194180), (10, 28074762), (12, 23395635), (15, 18716508), (18, 15597090), (20, 14037381), (27, 10398060), (30, 9358254), (36, 7798545), (45, 6238836), (54, 5199030), (60, 4679127), (61, 4602420), (81, 3466020), (90, 3119418), (108, 2599515), (122, 2301210), (135, 2079612), (162, 1733010), (180, 1559709), (183, 1534140), (243, 1155340), (244, 1150605), (270, 1039806), (305, 920484), (324, 866505), (366, 767070), (405, 693204), (486, 577670), (540, 519903), (549, 511380), (610, 460242), (732, 383535), (810, 346602), (915, 306828), (947, 296460), (972, 288835), (1098, 255690), (1215, 231068), (1220, 230121), (1620, 173301), (1647, 170460), (1830, 153414), (1894, 148230), (2196, 127845), (2430, 115534), (2745, 102276), (2841, 98820), (3294, 85230), (3660, 76707), (3788, 74115), (4735, 59292), (4860, 57767), (4941, 56820), (5490, 51138), (5682, 49410), (6588, 42615), (8235, 34092), (8523, 32940), (9470, 29646), (9882, 28410), (10980, 25569), (11364, 24705), (14205, 19764), (14823, 18940), (16470, 17046)]