280365540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51349}}^1$

素因数の和:51381

約数の個数: 96

約数和(自身を含む): 966201600

約数和(自身を除く): 685836060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 51349, 102698, 154047, 205396, 256745, 308094, 359443, 513490, 616188, 667537, 718886, 770235, 1026980, 1078329, 1335074, 1437772, 1540470, 1797215, 2002611, 2156658, 2670148, 3080940, 3337685, 3594430, 4005222, 4313316, 4672759, 5391645, 6675370, 7188860, 8010444, 9345518, 10013055, 10783290, 13350740, 14018277, 18691036, 20026110, 21566580, 23363795, 28036554, 40052220, 46727590, 56073108, 70091385, 93455180, 140182770, 280365540]

約数ペア:

[(1, 280365540), (2, 140182770), (3, 93455180), (4, 70091385), (5, 56073108), (6, 46727590), (7, 40052220), (10, 28036554), (12, 23363795), (13, 21566580), (14, 20026110), (15, 18691036), (20, 14018277), (21, 13350740), (26, 10783290), (28, 10013055), (30, 9345518), (35, 8010444), (39, 7188860), (42, 6675370), (52, 5391645), (60, 4672759), (65, 4313316), (70, 4005222), (78, 3594430), (84, 3337685), (91, 3080940), (105, 2670148), (130, 2156658), (140, 2002611), (156, 1797215), (182, 1540470), (195, 1437772), (210, 1335074), (260, 1078329), (273, 1026980), (364, 770235), (390, 718886), (420, 667537), (455, 616188), (546, 513490), (780, 359443), (910, 308094), (1092, 256745), (1365, 205396), (1820, 154047), (2730, 102698), (5460, 51349)]