30291280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22273}}^1$

素因数の和:22303

約数の個数: 40

約数和(自身を含む): 74573352

約数和(自身を除く): 44282072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22273, 44546, 89092, 111365, 178184, 222730, 356368, 378641, 445460, 757282, 890920, 1514564, 1781840, 1893205, 3029128, 3786410, 6058256, 7572820, 15145640, 30291280]

約数ペア:

[(1, 30291280), (2, 15145640), (4, 7572820), (5, 6058256), (8, 3786410), (10, 3029128), (16, 1893205), (17, 1781840), (20, 1514564), (34, 890920), (40, 757282), (68, 445460), (80, 378641), (85, 356368), (136, 222730), (170, 178184), (272, 111365), (340, 89092), (680, 44546), (1360, 22273)]