78601880

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:386

約数の個数: 128

約数和(自身を含む): 219024000

約数和(自身を除く): 140422120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 337, 340, 343, 392, 476, 490, 595, 674, 680, 686, 833, 952, 980, 1190, 1348, 1372, 1666, 1685, 1715, 1960, 2359, 2380, 2696, 2744, 3332, 3370, 3430, 4165, 4718, 4760, 5729, 5831, 6664, 6740, 6860, 8330, 9436, 11458, 11662, 11795, 13480, 13720, 16513, 16660, 18872, 22916, 23324, 23590, 28645, 29155, 33026, 33320, 40103, 45832, 46648, 47180, 57290, 58310, 66052, 80206, 82565, 94360, 114580, 115591, 116620, 132104, 160412, 165130, 200515, 229160, 231182, 233240, 280721, 320824, 330260, 401030, 462364, 561442, 577955, 660520, 802060, 924728, 1122884, 1155910, 1403605, 1604120, 1965047, 2245768, 2311820, 2807210, 3930094, 4623640, 5614420, 7860188, 9825235, 11228840, 15720376, 19650470, 39300940, 78601880]

約数ペア:

[(1, 78601880), (2, 39300940), (4, 19650470), (5, 15720376), (7, 11228840), (8, 9825235), (10, 7860188), (14, 5614420), (17, 4623640), (20, 3930094), (28, 2807210), (34, 2311820), (35, 2245768), (40, 1965047), (49, 1604120), (56, 1403605), (68, 1155910), (70, 1122884), (85, 924728), (98, 802060), (119, 660520), (136, 577955), (140, 561442), (170, 462364), (196, 401030), (238, 330260), (245, 320824), (280, 280721), (337, 233240), (340, 231182), (343, 229160), (392, 200515), (476, 165130), (490, 160412), (595, 132104), (674, 116620), (680, 115591), (686, 114580), (833, 94360), (952, 82565), (980, 80206), (1190, 66052), (1348, 58310), (1372, 57290), (1666, 47180), (1685, 46648), (1715, 45832), (1960, 40103), (2359, 33320), (2380, 33026), (2696, 29155), (2744, 28645), (3332, 23590), (3370, 23324), (3430, 22916), (4165, 18872), (4718, 16660), (4760, 16513), (5729, 13720), (5831, 13480), (6664, 11795), (6740, 11662), (6860, 11458), (8330, 9436)]