1323669555280

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{809}}^1\times {\mathrm{51517}}^1$

素因数の和:52736

約数の個数: 80

約数和(自身を含む): 3089157348240

約数和(自身を除く): 1765487792960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 809, 1588, 1618, 1985, 3176, 3236, 3970, 4045, 6352, 6472, 7940, 8090, 12944, 15880, 16180, 31760, 32360, 51517, 64720, 103034, 206068, 257585, 321173, 412136, 515170, 642346, 824272, 1030340, 1284692, 1605865, 2060680, 2569384, 3211730, 4121360, 5138768, 6423460, 12846920, 20452249, 25693840, 40904498, 41677253, 81808996, 83354506, 102261245, 163617992, 166709012, 204522490, 208386265, 327235984, 333418024, 409044980, 416772530, 666836048, 818089960, 833545060, 1636179920, 1667090120, 3334180240, 16545869441, 33091738882, 66183477764, 82729347205, 132366955528, 165458694410, 264733911056, 330917388820, 661834777640, 1323669555280]

約数ペア:

[(1, 1323669555280), (2, 661834777640), (4, 330917388820), (5, 264733911056), (8, 165458694410), (10, 132366955528), (16, 82729347205), (20, 66183477764), (40, 33091738882), (80, 16545869441), (397, 3334180240), (794, 1667090120), (809, 1636179920), (1588, 833545060), (1618, 818089960), (1985, 666836048), (3176, 416772530), (3236, 409044980), (3970, 333418024), (4045, 327235984), (6352, 208386265), (6472, 204522490), (7940, 166709012), (8090, 163617992), (12944, 102261245), (15880, 83354506), (16180, 81808996), (31760, 41677253), (32360, 40904498), (51517, 25693840), (64720, 20452249), (103034, 12846920), (206068, 6423460), (257585, 5138768), (321173, 4121360), (412136, 3211730), (515170, 2569384), (642346, 2060680), (824272, 1605865), (1030340, 1284692)]