621390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 1866240

約数和(自身を除く): 1244850

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 269, 330, 385, 462, 538, 770, 807, 1155, 1345, 1614, 1883, 2310, 2690, 2959, 3766, 4035, 5649, 5918, 8070, 8877, 9415, 11298, 14795, 17754, 18830, 20713, 28245, 29590, 41426, 44385, 56490, 62139, 88770, 103565, 124278, 207130, 310695, 621390]

約数ペア:

[(1, 621390), (2, 310695), (3, 207130), (5, 124278), (6, 103565), (7, 88770), (10, 62139), (11, 56490), (14, 44385), (15, 41426), (21, 29590), (22, 28245), (30, 20713), (33, 18830), (35, 17754), (42, 14795), (55, 11298), (66, 9415), (70, 8877), (77, 8070), (105, 5918), (110, 5649), (154, 4035), (165, 3766), (210, 2959), (231, 2690), (269, 2310), (330, 1883), (385, 1614), (462, 1345), (538, 1155), (770, 807)]