280472010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1447}}^1$

素因数の和:1548

約数の個数: 128

約数和(自身を含む): 840720384

約数和(自身を除く): 560248374

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 71, 78, 91, 105, 130, 142, 182, 195, 210, 213, 273, 355, 390, 426, 455, 497, 546, 710, 910, 923, 994, 1065, 1365, 1447, 1491, 1846, 2130, 2485, 2730, 2769, 2894, 2982, 4341, 4615, 4970, 5538, 6461, 7235, 7455, 8682, 9230, 10129, 12922, 13845, 14470, 14910, 18811, 19383, 20258, 21705, 27690, 30387, 32305, 37622, 38766, 43410, 50645, 56433, 60774, 64610, 94055, 96915, 101290, 102737, 112866, 131677, 151935, 188110, 193830, 205474, 263354, 282165, 303870, 308211, 395031, 513685, 564330, 616422, 658385, 719159, 790062, 1027370, 1316770, 1335581, 1438318, 1541055, 1975155, 2157477, 2671162, 3082110, 3595795, 3950310, 4006743, 4314954, 6677905, 7191590, 8013486, 9349067, 10787385, 13355810, 18698134, 20033715, 21574770, 28047201, 40067430, 46745335, 56094402, 93490670, 140236005, 280472010]

約数ペア:

[(1, 280472010), (2, 140236005), (3, 93490670), (5, 56094402), (6, 46745335), (7, 40067430), (10, 28047201), (13, 21574770), (14, 20033715), (15, 18698134), (21, 13355810), (26, 10787385), (30, 9349067), (35, 8013486), (39, 7191590), (42, 6677905), (65, 4314954), (70, 4006743), (71, 3950310), (78, 3595795), (91, 3082110), (105, 2671162), (130, 2157477), (142, 1975155), (182, 1541055), (195, 1438318), (210, 1335581), (213, 1316770), (273, 1027370), (355, 790062), (390, 719159), (426, 658385), (455, 616422), (497, 564330), (546, 513685), (710, 395031), (910, 308211), (923, 303870), (994, 282165), (1065, 263354), (1365, 205474), (1447, 193830), (1491, 188110), (1846, 151935), (2130, 131677), (2485, 112866), (2730, 102737), (2769, 101290), (2894, 96915), (2982, 94055), (4341, 64610), (4615, 60774), (4970, 56433), (5538, 50645), (6461, 43410), (7235, 38766), (7455, 37622), (8682, 32305), (9230, 30387), (10129, 27690), (12922, 21705), (13845, 20258), (14470, 19383), (14910, 18811)]