1282820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:58

約数の個数: 96

約数和(自身を含む): 3628800

約数和(自身を除く): 2345980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 49, 55, 68, 70, 77, 85, 98, 110, 119, 140, 154, 170, 187, 196, 220, 238, 245, 308, 340, 343, 374, 385, 476, 490, 539, 595, 686, 748, 770, 833, 935, 980, 1078, 1190, 1309, 1372, 1540, 1666, 1715, 1870, 2156, 2380, 2618, 2695, 3332, 3430, 3740, 3773, 4165, 5236, 5390, 5831, 6545, 6860, 7546, 8330, 9163, 10780, 11662, 13090, 15092, 16660, 18326, 18865, 23324, 26180, 29155, 36652, 37730, 45815, 58310, 64141, 75460, 91630, 116620, 128282, 183260, 256564, 320705, 641410, 1282820]

約数ペア:

[(1, 1282820), (2, 641410), (4, 320705), (5, 256564), (7, 183260), (10, 128282), (11, 116620), (14, 91630), (17, 75460), (20, 64141), (22, 58310), (28, 45815), (34, 37730), (35, 36652), (44, 29155), (49, 26180), (55, 23324), (68, 18865), (70, 18326), (77, 16660), (85, 15092), (98, 13090), (110, 11662), (119, 10780), (140, 9163), (154, 8330), (170, 7546), (187, 6860), (196, 6545), (220, 5831), (238, 5390), (245, 5236), (308, 4165), (340, 3773), (343, 3740), (374, 3430), (385, 3332), (476, 2695), (490, 2618), (539, 2380), (595, 2156), (686, 1870), (748, 1715), (770, 1666), (833, 1540), (935, 1372), (980, 1309), (1078, 1190)]