86451560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 217705320

約数和(自身を除く): 131253760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 173, 248, 260, 310, 346, 403, 520, 620, 692, 806, 865, 961, 1240, 1384, 1612, 1730, 1922, 2015, 2249, 3224, 3460, 3844, 4030, 4498, 4805, 5363, 6920, 7688, 8060, 8996, 9610, 10726, 11245, 12493, 16120, 17992, 19220, 21452, 22490, 24986, 26815, 38440, 42904, 44980, 49972, 53630, 62465, 69719, 89960, 99944, 107260, 124930, 139438, 166253, 214520, 249860, 278876, 332506, 348595, 499720, 557752, 665012, 697190, 831265, 1330024, 1394380, 1662530, 2161289, 2788760, 3325060, 4322578, 6650120, 8645156, 10806445, 17290312, 21612890, 43225780, 86451560]

約数ペア:

[(1, 86451560), (2, 43225780), (4, 21612890), (5, 17290312), (8, 10806445), (10, 8645156), (13, 6650120), (20, 4322578), (26, 3325060), (31, 2788760), (40, 2161289), (52, 1662530), (62, 1394380), (65, 1330024), (104, 831265), (124, 697190), (130, 665012), (155, 557752), (173, 499720), (248, 348595), (260, 332506), (310, 278876), (346, 249860), (403, 214520), (520, 166253), (620, 139438), (692, 124930), (806, 107260), (865, 99944), (961, 89960), (1240, 69719), (1384, 62465), (1612, 53630), (1730, 49972), (1922, 44980), (2015, 42904), (2249, 38440), (3224, 26815), (3460, 24986), (3844, 22490), (4030, 21452), (4498, 19220), (4805, 17992), (5363, 16120), (6920, 12493), (7688, 11245), (8060, 10726), (8996, 9610)]