822539120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{823}}^1$

素因数の和:911

約数の個数: 120

約数和(自身を含む): 2130676128

約数和(自身を除く): 1308137008

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, 823, 961, 1040, 1240, 1612, 1646, 1922, 2015, 2480, 3224, 3292, 3844, 4030, 4115, 4805, 6448, 6584, 7688, 8060, 8230, 9610, 10699, 12493, 13168, 15376, 16120, 16460, 19220, 21398, 24986, 25513, 32240, 32920, 38440, 42796, 49972, 51026, 53495, 62465, 65840, 76880, 85592, 99944, 102052, 106990, 124930, 127565, 171184, 199888, 204104, 213980, 249860, 255130, 331669, 408208, 427960, 499720, 510260, 663338, 790903, 855920, 999440, 1020520, 1326676, 1581806, 1658345, 2041040, 2653352, 3163612, 3316690, 3954515, 5306704, 6327224, 6633380, 7909030, 10281739, 12654448, 13266760, 15818060, 20563478, 26533520, 31636120, 41126956, 51408695, 63272240, 82253912, 102817390, 164507824, 205634780, 411269560, 822539120]

約数ペア:

[(1, 822539120), (2, 411269560), (4, 205634780), (5, 164507824), (8, 102817390), (10, 82253912), (13, 63272240), (16, 51408695), (20, 41126956), (26, 31636120), (31, 26533520), (40, 20563478), (52, 15818060), (62, 13266760), (65, 12654448), (80, 10281739), (104, 7909030), (124, 6633380), (130, 6327224), (155, 5306704), (208, 3954515), (248, 3316690), (260, 3163612), (310, 2653352), (403, 2041040), (496, 1658345), (520, 1581806), (620, 1326676), (806, 1020520), (823, 999440), (961, 855920), (1040, 790903), (1240, 663338), (1612, 510260), (1646, 499720), (1922, 427960), (2015, 408208), (2480, 331669), (3224, 255130), (3292, 249860), (3844, 213980), (4030, 204104), (4115, 199888), (4805, 171184), (6448, 127565), (6584, 124930), (7688, 106990), (8060, 102052), (8230, 99944), (9610, 85592), (10699, 76880), (12493, 65840), (13168, 62465), (15376, 53495), (16120, 51026), (16460, 49972), (19220, 42796), (21398, 38440), (24986, 32920), (25513, 32240)]