205756440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{349}}^1$

素因数の和:414

約数の個数: 128

約数和(自身を含む): 657720000

約数和(自身を除く): 451963560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 289, 340, 349, 408, 510, 578, 680, 698, 867, 1020, 1047, 1156, 1396, 1445, 1734, 1745, 2040, 2094, 2312, 2792, 2890, 3468, 3490, 4188, 4335, 4913, 5235, 5780, 5933, 6936, 6980, 8376, 8670, 9826, 10470, 11560, 11866, 13960, 14739, 17340, 17799, 19652, 20940, 23732, 24565, 29478, 29665, 34680, 35598, 39304, 41880, 47464, 49130, 58956, 59330, 71196, 73695, 88995, 98260, 100861, 117912, 118660, 142392, 147390, 177990, 196520, 201722, 237320, 294780, 302583, 355980, 403444, 504305, 589560, 605166, 711960, 806888, 1008610, 1210332, 1512915, 1714637, 2017220, 2420664, 3025830, 3429274, 4034440, 5143911, 6051660, 6858548, 8573185, 10287822, 12103320, 13717096, 17146370, 20575644, 25719555, 34292740, 41151288, 51439110, 68585480, 102878220, 205756440]

約数ペア:

[(1, 205756440), (2, 102878220), (3, 68585480), (4, 51439110), (5, 41151288), (6, 34292740), (8, 25719555), (10, 20575644), (12, 17146370), (15, 13717096), (17, 12103320), (20, 10287822), (24, 8573185), (30, 6858548), (34, 6051660), (40, 5143911), (51, 4034440), (60, 3429274), (68, 3025830), (85, 2420664), (102, 2017220), (120, 1714637), (136, 1512915), (170, 1210332), (204, 1008610), (255, 806888), (289, 711960), (340, 605166), (349, 589560), (408, 504305), (510, 403444), (578, 355980), (680, 302583), (698, 294780), (867, 237320), (1020, 201722), (1047, 196520), (1156, 177990), (1396, 147390), (1445, 142392), (1734, 118660), (1745, 117912), (2040, 100861), (2094, 98260), (2312, 88995), (2792, 73695), (2890, 71196), (3468, 59330), (3490, 58956), (4188, 49130), (4335, 47464), (4913, 41880), (5235, 39304), (5780, 35598), (5933, 34680), (6936, 29665), (6980, 29478), (8376, 24565), (8670, 23732), (9826, 20940), (10470, 19652), (11560, 17799), (11866, 17340), (13960, 14739)]