78019480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 222497280

約数和(自身を除く): 144477800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 73, 77, 88, 110, 140, 146, 154, 220, 280, 292, 308, 347, 365, 385, 440, 511, 584, 616, 694, 730, 770, 803, 1022, 1388, 1460, 1540, 1606, 1735, 2044, 2429, 2555, 2776, 2920, 3080, 3212, 3470, 3817, 4015, 4088, 4858, 5110, 5621, 6424, 6940, 7634, 8030, 9716, 10220, 11242, 12145, 13880, 15268, 16060, 19085, 19432, 20440, 22484, 24290, 25331, 26719, 28105, 30536, 32120, 38170, 44968, 48580, 50662, 53438, 56210, 76340, 97160, 101324, 106876, 112420, 126655, 133595, 152680, 177317, 202648, 213752, 224840, 253310, 267190, 278641, 354634, 506620, 534380, 557282, 709268, 886585, 1013240, 1068760, 1114564, 1393205, 1418536, 1773170, 1950487, 2229128, 2786410, 3546340, 3900974, 5572820, 7092680, 7801948, 9752435, 11145640, 15603896, 19504870, 39009740, 78019480]

約数ペア:

[(1, 78019480), (2, 39009740), (4, 19504870), (5, 15603896), (7, 11145640), (8, 9752435), (10, 7801948), (11, 7092680), (14, 5572820), (20, 3900974), (22, 3546340), (28, 2786410), (35, 2229128), (40, 1950487), (44, 1773170), (55, 1418536), (56, 1393205), (70, 1114564), (73, 1068760), (77, 1013240), (88, 886585), (110, 709268), (140, 557282), (146, 534380), (154, 506620), (220, 354634), (280, 278641), (292, 267190), (308, 253310), (347, 224840), (365, 213752), (385, 202648), (440, 177317), (511, 152680), (584, 133595), (616, 126655), (694, 112420), (730, 106876), (770, 101324), (803, 97160), (1022, 76340), (1388, 56210), (1460, 53438), (1540, 50662), (1606, 48580), (1735, 44968), (2044, 38170), (2429, 32120), (2555, 30536), (2776, 28105), (2920, 26719), (3080, 25331), (3212, 24290), (3470, 22484), (3817, 20440), (4015, 19432), (4088, 19085), (4858, 16060), (5110, 15268), (5621, 13880), (6424, 12145), (6940, 11242), (7634, 10220), (8030, 9716)]