722920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 64

約数和(自身を含む): 1866240

約数和(自身を除く): 1143320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 53, 55, 62, 88, 106, 110, 124, 155, 212, 220, 248, 265, 310, 341, 424, 440, 530, 583, 620, 682, 1060, 1166, 1240, 1364, 1643, 1705, 2120, 2332, 2728, 2915, 3286, 3410, 4664, 5830, 6572, 6820, 8215, 11660, 13144, 13640, 16430, 18073, 23320, 32860, 36146, 65720, 72292, 90365, 144584, 180730, 361460, 722920]

約数ペア:

[(1, 722920), (2, 361460), (4, 180730), (5, 144584), (8, 90365), (10, 72292), (11, 65720), (20, 36146), (22, 32860), (31, 23320), (40, 18073), (44, 16430), (53, 13640), (55, 13144), (62, 11660), (88, 8215), (106, 6820), (110, 6572), (124, 5830), (155, 4664), (212, 3410), (220, 3286), (248, 2915), (265, 2728), (310, 2332), (341, 2120), (424, 1705), (440, 1643), (530, 1364), (583, 1240), (620, 1166), (682, 1060)]