320242500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:404

約数の個数: 180

約数和(自身を含む): 1038205168

約数和(自身を除く): 717962668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 43, 45, 50, 60, 75, 86, 90, 100, 125, 129, 150, 172, 180, 215, 225, 250, 258, 300, 331, 375, 387, 430, 450, 500, 516, 625, 645, 662, 750, 774, 860, 900, 993, 1075, 1125, 1250, 1290, 1324, 1500, 1548, 1655, 1875, 1935, 1986, 2150, 2250, 2500, 2580, 2979, 3225, 3310, 3750, 3870, 3972, 4300, 4500, 4965, 5375, 5625, 5958, 6450, 6620, 7500, 7740, 8275, 9675, 9930, 10750, 11250, 11916, 12900, 14233, 14895, 16125, 16550, 19350, 19860, 21500, 22500, 24825, 26875, 28466, 29790, 32250, 33100, 38700, 41375, 42699, 48375, 49650, 53750, 56932, 59580, 64500, 71165, 74475, 80625, 82750, 85398, 96750, 99300, 107500, 124125, 128097, 142330, 148950, 161250, 165500, 170796, 193500, 206875, 213495, 241875, 248250, 256194, 284660, 297900, 322500, 355825, 372375, 413750, 426990, 483750, 496500, 512388, 620625, 640485, 711650, 744750, 827500, 853980, 967500, 1067475, 1241250, 1280970, 1423300, 1489500, 1779125, 1861875, 2134950, 2482500, 2561940, 3202425, 3558250, 3723750, 4269900, 5337375, 6404850, 7116500, 7447500, 8895625, 10674750, 12809700, 16012125, 17791250, 21349500, 26686875, 32024250, 35582500, 53373750, 64048500, 80060625, 106747500, 160121250, 320242500]

約数ペア:

[(1, 320242500), (2, 160121250), (3, 106747500), (4, 80060625), (5, 64048500), (6, 53373750), (9, 35582500), (10, 32024250), (12, 26686875), (15, 21349500), (18, 17791250), (20, 16012125), (25, 12809700), (30, 10674750), (36, 8895625), (43, 7447500), (45, 7116500), (50, 6404850), (60, 5337375), (75, 4269900), (86, 3723750), (90, 3558250), (100, 3202425), (125, 2561940), (129, 2482500), (150, 2134950), (172, 1861875), (180, 1779125), (215, 1489500), (225, 1423300), (250, 1280970), (258, 1241250), (300, 1067475), (331, 967500), (375, 853980), (387, 827500), (430, 744750), (450, 711650), (500, 640485), (516, 620625), (625, 512388), (645, 496500), (662, 483750), (750, 426990), (774, 413750), (860, 372375), (900, 355825), (993, 322500), (1075, 297900), (1125, 284660), (1250, 256194), (1290, 248250), (1324, 241875), (1500, 213495), (1548, 206875), (1655, 193500), (1875, 170796), (1935, 165500), (1986, 161250), (2150, 148950), (2250, 142330), (2500, 128097), (2580, 124125), (2979, 107500), (3225, 99300), (3310, 96750), (3750, 85398), (3870, 82750), (3972, 80625), (4300, 74475), (4500, 71165), (4965, 64500), (5375, 59580), (5625, 56932), (5958, 53750), (6450, 49650), (6620, 48375), (7500, 42699), (7740, 41375), (8275, 38700), (9675, 33100), (9930, 32250), (10750, 29790), (11250, 28466), (11916, 26875), (12900, 24825), (14233, 22500), (14895, 21500), (16125, 19860), (16550, 19350)]