126760240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:770

約数の個数: 80

約数和(自身を含む): 308551680

約数和(自身を除く): 181791440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 395, 496, 620, 632, 647, 790, 1240, 1264, 1294, 1580, 2449, 2480, 2588, 3160, 3235, 4898, 5176, 6320, 6470, 9796, 10352, 12245, 12940, 19592, 20057, 24490, 25880, 39184, 40114, 48980, 51113, 51760, 80228, 97960, 100285, 102226, 160456, 195920, 200570, 204452, 255565, 320912, 401140, 408904, 511130, 802280, 817808, 1022260, 1584503, 1604560, 2044520, 3169006, 4089040, 6338012, 7922515, 12676024, 15845030, 25352048, 31690060, 63380120, 126760240]

約数ペア:

[(1, 126760240), (2, 63380120), (4, 31690060), (5, 25352048), (8, 15845030), (10, 12676024), (16, 7922515), (20, 6338012), (31, 4089040), (40, 3169006), (62, 2044520), (79, 1604560), (80, 1584503), (124, 1022260), (155, 817808), (158, 802280), (248, 511130), (310, 408904), (316, 401140), (395, 320912), (496, 255565), (620, 204452), (632, 200570), (647, 195920), (790, 160456), (1240, 102226), (1264, 100285), (1294, 97960), (1580, 80228), (2449, 51760), (2480, 51113), (2588, 48980), (3160, 40114), (3235, 39184), (4898, 25880), (5176, 24490), (6320, 20057), (6470, 19592), (9796, 12940), (10352, 12245)]