312824720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{313}}^1$

素因数の和:401

約数の個数: 120

約数和(自身を含む): 811932408

約数和(自身を除く): 499107688

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, 313, 403, 496, 520, 620, 626, 806, 961, 1040, 1240, 1252, 1565, 1612, 1922, 2015, 2480, 2504, 3130, 3224, 3844, 4030, 4069, 4805, 5008, 6260, 6448, 7688, 8060, 8138, 9610, 9703, 12493, 12520, 15376, 16120, 16276, 19220, 19406, 20345, 24986, 25040, 32240, 32552, 38440, 38812, 40690, 48515, 49972, 62465, 65104, 76880, 77624, 81380, 97030, 99944, 124930, 126139, 155248, 162760, 194060, 199888, 249860, 252278, 300793, 325520, 388120, 499720, 504556, 601586, 630695, 776240, 999440, 1009112, 1203172, 1261390, 1503965, 2018224, 2406344, 2522780, 3007930, 3910309, 4812688, 5045560, 6015860, 7820618, 10091120, 12031720, 15641236, 19551545, 24063440, 31282472, 39103090, 62564944, 78206180, 156412360, 312824720]

約数ペア:

[(1, 312824720), (2, 156412360), (4, 78206180), (5, 62564944), (8, 39103090), (10, 31282472), (13, 24063440), (16, 19551545), (20, 15641236), (26, 12031720), (31, 10091120), (40, 7820618), (52, 6015860), (62, 5045560), (65, 4812688), (80, 3910309), (104, 3007930), (124, 2522780), (130, 2406344), (155, 2018224), (208, 1503965), (248, 1261390), (260, 1203172), (310, 1009112), (313, 999440), (403, 776240), (496, 630695), (520, 601586), (620, 504556), (626, 499720), (806, 388120), (961, 325520), (1040, 300793), (1240, 252278), (1252, 249860), (1565, 199888), (1612, 194060), (1922, 162760), (2015, 155248), (2480, 126139), (2504, 124930), (3130, 99944), (3224, 97030), (3844, 81380), (4030, 77624), (4069, 76880), (4805, 65104), (5008, 62465), (6260, 49972), (6448, 48515), (7688, 40690), (8060, 38812), (8138, 38440), (9610, 32552), (9703, 32240), (12493, 25040), (12520, 24986), (15376, 20345), (16120, 19406), (16276, 19220)]