489177520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15173}}^1$

素因数の和:15230

約数の個数: 80

約数和(自身を含む): 1264419072

約数和(自身を除く): 775241552

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, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 15173, 16120, 30346, 32240, 60692, 75865, 121384, 151730, 197249, 242768, 303460, 394498, 470363, 606920, 788996, 940726, 986245, 1213840, 1577992, 1881452, 1972490, 2351815, 3155984, 3762904, 3944980, 4703630, 6114719, 7525808, 7889960, 9407260, 12229438, 15779920, 18814520, 24458876, 30573595, 37629040, 48917752, 61147190, 97835504, 122294380, 244588760, 489177520]

約数ペア:

[(1, 489177520), (2, 244588760), (4, 122294380), (5, 97835504), (8, 61147190), (10, 48917752), (13, 37629040), (16, 30573595), (20, 24458876), (26, 18814520), (31, 15779920), (40, 12229438), (52, 9407260), (62, 7889960), (65, 7525808), (80, 6114719), (104, 4703630), (124, 3944980), (130, 3762904), (155, 3155984), (208, 2351815), (248, 1972490), (260, 1881452), (310, 1577992), (403, 1213840), (496, 986245), (520, 940726), (620, 788996), (806, 606920), (1040, 470363), (1240, 394498), (1612, 303460), (2015, 242768), (2480, 197249), (3224, 151730), (4030, 121384), (6448, 75865), (8060, 60692), (15173, 32240), (16120, 30346)]