245400420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 700761600

約数和(自身を除く): 455361180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 157, 218, 239, 314, 327, 436, 471, 478, 545, 628, 654, 717, 785, 942, 956, 1090, 1195, 1308, 1434, 1570, 1635, 1884, 2180, 2355, 2390, 2868, 3140, 3270, 3585, 4710, 4780, 6540, 7170, 9420, 14340, 17113, 26051, 34226, 37523, 51339, 52102, 68452, 75046, 78153, 85565, 102678, 104204, 112569, 130255, 150092, 156306, 171130, 187615, 205356, 225138, 256695, 260510, 312612, 342260, 375230, 390765, 450276, 513390, 521020, 562845, 750460, 781530, 1026780, 1125690, 1563060, 2251380, 4090007, 8180014, 12270021, 16360028, 20450035, 24540042, 40900070, 49080084, 61350105, 81800140, 122700210, 245400420]

約数ペア:

[(1, 245400420), (2, 122700210), (3, 81800140), (4, 61350105), (5, 49080084), (6, 40900070), (10, 24540042), (12, 20450035), (15, 16360028), (20, 12270021), (30, 8180014), (60, 4090007), (109, 2251380), (157, 1563060), (218, 1125690), (239, 1026780), (314, 781530), (327, 750460), (436, 562845), (471, 521020), (478, 513390), (545, 450276), (628, 390765), (654, 375230), (717, 342260), (785, 312612), (942, 260510), (956, 256695), (1090, 225138), (1195, 205356), (1308, 187615), (1434, 171130), (1570, 156306), (1635, 150092), (1884, 130255), (2180, 112569), (2355, 104204), (2390, 102678), (2868, 85565), (3140, 78153), (3270, 75046), (3585, 68452), (4710, 52102), (4780, 51339), (6540, 37523), (7170, 34226), (9420, 26051), (14340, 17113)]