1880928180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{549979}}^1$

素因数の和:550013

約数の個数: 72

約数和(自身を含む): 6005781600

約数和(自身を除く): 4124853420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 549979, 1099958, 1649937, 2199916, 2749895, 3299874, 4949811, 5499790, 6599748, 8249685, 9899622, 10449601, 10999580, 16499370, 19799244, 20899202, 24749055, 31348803, 32998740, 41798404, 49498110, 52248005, 62697606, 94046409, 98996220, 104496010, 125395212, 156744015, 188092818, 208992020, 313488030, 376185636, 470232045, 626976060, 940464090, 1880928180]

約数ペア:

[(1, 1880928180), (2, 940464090), (3, 626976060), (4, 470232045), (5, 376185636), (6, 313488030), (9, 208992020), (10, 188092818), (12, 156744015), (15, 125395212), (18, 104496010), (19, 98996220), (20, 94046409), (30, 62697606), (36, 52248005), (38, 49498110), (45, 41798404), (57, 32998740), (60, 31348803), (76, 24749055), (90, 20899202), (95, 19799244), (114, 16499370), (171, 10999580), (180, 10449601), (190, 9899622), (228, 8249685), (285, 6599748), (342, 5499790), (380, 4949811), (570, 3299874), (684, 2749895), (855, 2199916), (1140, 1649937), (1710, 1099958), (3420, 549979)]