862516720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{863}}^1$

素因数の和:951

約数の個数: 120

約数和(自身を含む): 2234107008

約数和(自身を除く): 1371590288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 863, 961, 1040, 1240, 1612, 1726, 1922, 2015, 2480, 3224, 3452, 3844, 4030, 4315, 4805, 6448, 6904, 7688, 8060, 8630, 9610, 11219, 12493, 13808, 15376, 16120, 17260, 19220, 22438, 24986, 26753, 32240, 34520, 38440, 44876, 49972, 53506, 56095, 62465, 69040, 76880, 89752, 99944, 107012, 112190, 124930, 133765, 179504, 199888, 214024, 224380, 249860, 267530, 347789, 428048, 448760, 499720, 535060, 695578, 829343, 897520, 999440, 1070120, 1391156, 1658686, 1738945, 2140240, 2782312, 3317372, 3477890, 4146715, 5564624, 6634744, 6955780, 8293430, 10781459, 13269488, 13911560, 16586860, 21562918, 27823120, 33173720, 43125836, 53907295, 66347440, 86251672, 107814590, 172503344, 215629180, 431258360, 862516720]

約数ペア:

[(1, 862516720), (2, 431258360), (4, 215629180), (5, 172503344), (8, 107814590), (10, 86251672), (13, 66347440), (16, 53907295), (20, 43125836), (26, 33173720), (31, 27823120), (40, 21562918), (52, 16586860), (62, 13911560), (65, 13269488), (80, 10781459), (104, 8293430), (124, 6955780), (130, 6634744), (155, 5564624), (208, 4146715), (248, 3477890), (260, 3317372), (310, 2782312), (403, 2140240), (496, 1738945), (520, 1658686), (620, 1391156), (806, 1070120), (863, 999440), (961, 897520), (1040, 829343), (1240, 695578), (1612, 535060), (1726, 499720), (1922, 448760), (2015, 428048), (2480, 347789), (3224, 267530), (3452, 249860), (3844, 224380), (4030, 214024), (4315, 199888), (4805, 179504), (6448, 133765), (6904, 124930), (7688, 112190), (8060, 107012), (8630, 99944), (9610, 89752), (11219, 76880), (12493, 69040), (13808, 62465), (15376, 56095), (16120, 53506), (17260, 49972), (19220, 44876), (22438, 38440), (24986, 34520), (26753, 32240)]