254464080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81559}}^1$

素因数の和:81588

約数の個数: 80

約数和(自身を含む): 849528960

約数和(自身を除く): 595064880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 81559, 163118, 244677, 326236, 407795, 489354, 652472, 815590, 978708, 1060267, 1223385, 1304944, 1631180, 1957416, 2120534, 2446770, 3180801, 3262360, 3914832, 4241068, 4893540, 5301335, 6361602, 6524720, 8482136, 9787080, 10602670, 12723204, 15904005, 16964272, 19574160, 21205340, 25446408, 31808010, 42410680, 50892816, 63616020, 84821360, 127232040, 254464080]

約数ペア:

[(1, 254464080), (2, 127232040), (3, 84821360), (4, 63616020), (5, 50892816), (6, 42410680), (8, 31808010), (10, 25446408), (12, 21205340), (13, 19574160), (15, 16964272), (16, 15904005), (20, 12723204), (24, 10602670), (26, 9787080), (30, 8482136), (39, 6524720), (40, 6361602), (48, 5301335), (52, 4893540), (60, 4241068), (65, 3914832), (78, 3262360), (80, 3180801), (104, 2446770), (120, 2120534), (130, 1957416), (156, 1631180), (195, 1304944), (208, 1223385), (240, 1060267), (260, 978708), (312, 815590), (390, 652472), (520, 489354), (624, 407795), (780, 326236), (1040, 244677), (1560, 163118), (3120, 81559)]