813914920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7213}}^1$

素因数の和:7275

約数の個数: 128

約数和(自身を含む): 2326947840

約数和(自身を除く): 1513032920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2821, 3224, 3640, 4030, 4340, 5642, 7213, 8060, 8680, 11284, 14105, 14426, 16120, 22568, 28210, 28852, 36065, 50491, 56420, 57704, 72130, 93769, 100982, 112840, 144260, 187538, 201964, 223603, 252455, 288520, 375076, 403928, 447206, 468845, 504910, 656383, 750152, 894412, 937690, 1009820, 1118015, 1312766, 1565221, 1788824, 1875380, 2019640, 2236030, 2625532, 2906839, 3130442, 3281915, 3750760, 4472060, 5251064, 5813678, 6260884, 6563830, 7826105, 8944120, 11627356, 12521768, 13127660, 14534195, 15652210, 20347873, 23254712, 26255320, 29068390, 31304420, 40695746, 58136780, 62608840, 81391492, 101739365, 116273560, 162782984, 203478730, 406957460, 813914920]

約数ペア:

[(1, 813914920), (2, 406957460), (4, 203478730), (5, 162782984), (7, 116273560), (8, 101739365), (10, 81391492), (13, 62608840), (14, 58136780), (20, 40695746), (26, 31304420), (28, 29068390), (31, 26255320), (35, 23254712), (40, 20347873), (52, 15652210), (56, 14534195), (62, 13127660), (65, 12521768), (70, 11627356), (91, 8944120), (104, 7826105), (124, 6563830), (130, 6260884), (140, 5813678), (155, 5251064), (182, 4472060), (217, 3750760), (248, 3281915), (260, 3130442), (280, 2906839), (310, 2625532), (364, 2236030), (403, 2019640), (434, 1875380), (455, 1788824), (520, 1565221), (620, 1312766), (728, 1118015), (806, 1009820), (868, 937690), (910, 894412), (1085, 750152), (1240, 656383), (1612, 504910), (1736, 468845), (1820, 447206), (2015, 403928), (2170, 375076), (2821, 288520), (3224, 252455), (3640, 223603), (4030, 201964), (4340, 187538), (5642, 144260), (7213, 112840), (8060, 100982), (8680, 93769), (11284, 72130), (14105, 57704), (14426, 56420), (16120, 50491), (22568, 36065), (28210, 28852)]