30988960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11393}}^1$

素因数の和:11425

約数の個数: 48

約数和(自身を含む): 77524776

約数和(自身を除く): 46535816

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 11393, 22786, 45572, 56965, 91144, 113930, 182288, 193681, 227860, 364576, 387362, 455720, 774724, 911440, 968405, 1549448, 1822880, 1936810, 3098896, 3873620, 6197792, 7747240, 15494480, 30988960]

約数ペア:

[(1, 30988960), (2, 15494480), (4, 7747240), (5, 6197792), (8, 3873620), (10, 3098896), (16, 1936810), (17, 1822880), (20, 1549448), (32, 968405), (34, 911440), (40, 774724), (68, 455720), (80, 387362), (85, 364576), (136, 227860), (160, 193681), (170, 182288), (272, 113930), (340, 91144), (544, 56965), (680, 45572), (1360, 22786), (2720, 11393)]