129298520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:685

約数の個数: 96

約数和(自身を含む): 325710720

約数和(自身を除く): 196412200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 169, 248, 260, 310, 338, 403, 520, 617, 620, 676, 806, 845, 1234, 1240, 1352, 1612, 1690, 2015, 2468, 3085, 3224, 3380, 4030, 4936, 5239, 6170, 6760, 8021, 8060, 10478, 12340, 16042, 16120, 19127, 20956, 24680, 26195, 32084, 38254, 40105, 41912, 52390, 64168, 76508, 80210, 95635, 104273, 104780, 153016, 160420, 191270, 208546, 209560, 248651, 320840, 382540, 417092, 497302, 521365, 765080, 834184, 994604, 1042730, 1243255, 1989208, 2085460, 2486510, 3232463, 4170920, 4973020, 6464926, 9946040, 12929852, 16162315, 25859704, 32324630, 64649260, 129298520]

約数ペア:

[(1, 129298520), (2, 64649260), (4, 32324630), (5, 25859704), (8, 16162315), (10, 12929852), (13, 9946040), (20, 6464926), (26, 4973020), (31, 4170920), (40, 3232463), (52, 2486510), (62, 2085460), (65, 1989208), (104, 1243255), (124, 1042730), (130, 994604), (155, 834184), (169, 765080), (248, 521365), (260, 497302), (310, 417092), (338, 382540), (403, 320840), (520, 248651), (617, 209560), (620, 208546), (676, 191270), (806, 160420), (845, 153016), (1234, 104780), (1240, 104273), (1352, 95635), (1612, 80210), (1690, 76508), (2015, 64168), (2468, 52390), (3085, 41912), (3224, 40105), (3380, 38254), (4030, 32084), (4936, 26195), (5239, 24680), (6170, 20956), (6760, 19127), (8021, 16120), (8060, 16042), (10478, 12340)]