2821230

素因数分解:

$2^1\times 3^8\times 5^1\times {\mathrm{43}}^1$

素因数の和:74

約数の個数: 72

約数和(自身を含む): 7794072

約数和(自身を除く): 4972842

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 81, 86, 90, 129, 135, 162, 215, 243, 258, 270, 387, 405, 430, 486, 645, 729, 774, 810, 1161, 1215, 1290, 1458, 1935, 2187, 2322, 2430, 3483, 3645, 3870, 4374, 5805, 6561, 6966, 7290, 10449, 10935, 11610, 13122, 17415, 20898, 21870, 31347, 32805, 34830, 52245, 62694, 65610, 94041, 104490, 156735, 188082, 282123, 313470, 470205, 564246, 940410, 1410615, 2821230]

約数ペア:

[(1, 2821230), (2, 1410615), (3, 940410), (5, 564246), (6, 470205), (9, 313470), (10, 282123), (15, 188082), (18, 156735), (27, 104490), (30, 94041), (43, 65610), (45, 62694), (54, 52245), (81, 34830), (86, 32805), (90, 31347), (129, 21870), (135, 20898), (162, 17415), (215, 13122), (243, 11610), (258, 10935), (270, 10449), (387, 7290), (405, 6966), (430, 6561), (486, 5805), (645, 4374), (729, 3870), (774, 3645), (810, 3483), (1161, 2430), (1215, 2322), (1290, 2187), (1458, 1935)]