1445840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:108

約数の個数: 80

約数和(自身を含む): 3856896

約数和(自身を除く): 2411056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 53, 55, 62, 80, 88, 106, 110, 124, 155, 176, 212, 220, 248, 265, 310, 341, 424, 440, 496, 530, 583, 620, 682, 848, 880, 1060, 1166, 1240, 1364, 1643, 1705, 2120, 2332, 2480, 2728, 2915, 3286, 3410, 4240, 4664, 5456, 5830, 6572, 6820, 8215, 9328, 11660, 13144, 13640, 16430, 18073, 23320, 26288, 27280, 32860, 36146, 46640, 65720, 72292, 90365, 131440, 144584, 180730, 289168, 361460, 722920, 1445840]

約数ペア:

[(1, 1445840), (2, 722920), (4, 361460), (5, 289168), (8, 180730), (10, 144584), (11, 131440), (16, 90365), (20, 72292), (22, 65720), (31, 46640), (40, 36146), (44, 32860), (53, 27280), (55, 26288), (62, 23320), (80, 18073), (88, 16430), (106, 13640), (110, 13144), (124, 11660), (155, 9328), (176, 8215), (212, 6820), (220, 6572), (248, 5830), (265, 5456), (310, 4664), (341, 4240), (424, 3410), (440, 3286), (496, 2915), (530, 2728), (583, 2480), (620, 2332), (682, 2120), (848, 1705), (880, 1643), (1060, 1364), (1166, 1240)]