1282480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:94

約数の個数: 80

約数和(自身を含む): 3374784

約数和(自身を除く): 2092304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 41, 46, 68, 80, 82, 85, 92, 115, 136, 164, 170, 184, 205, 230, 272, 328, 340, 368, 391, 410, 460, 656, 680, 697, 782, 820, 920, 943, 1360, 1394, 1564, 1640, 1840, 1886, 1955, 2788, 3128, 3280, 3485, 3772, 3910, 4715, 5576, 6256, 6970, 7544, 7820, 9430, 11152, 13940, 15088, 15640, 16031, 18860, 27880, 31280, 32062, 37720, 55760, 64124, 75440, 80155, 128248, 160310, 256496, 320620, 641240, 1282480]

約数ペア:

[(1, 1282480), (2, 641240), (4, 320620), (5, 256496), (8, 160310), (10, 128248), (16, 80155), (17, 75440), (20, 64124), (23, 55760), (34, 37720), (40, 32062), (41, 31280), (46, 27880), (68, 18860), (80, 16031), (82, 15640), (85, 15088), (92, 13940), (115, 11152), (136, 9430), (164, 7820), (170, 7544), (184, 6970), (205, 6256), (230, 5576), (272, 4715), (328, 3910), (340, 3772), (368, 3485), (391, 3280), (410, 3128), (460, 2788), (656, 1955), (680, 1886), (697, 1840), (782, 1640), (820, 1564), (920, 1394), (943, 1360)]