64768500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:451

約数の個数: 144

約数和(自身を含む): 210384720

約数和(自身を除く): 145616220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 37, 45, 50, 60, 74, 75, 90, 100, 111, 125, 148, 150, 180, 185, 222, 225, 250, 300, 333, 370, 375, 389, 444, 450, 500, 555, 666, 740, 750, 778, 900, 925, 1110, 1125, 1167, 1332, 1500, 1556, 1665, 1850, 1945, 2220, 2250, 2334, 2775, 3330, 3501, 3700, 3890, 4500, 4625, 4668, 5550, 5835, 6660, 7002, 7780, 8325, 9250, 9725, 11100, 11670, 13875, 14004, 14393, 16650, 17505, 18500, 19450, 23340, 27750, 28786, 29175, 33300, 35010, 38900, 41625, 43179, 48625, 55500, 57572, 58350, 70020, 71965, 83250, 86358, 87525, 97250, 116700, 129537, 143930, 145875, 166500, 172716, 175050, 194500, 215895, 259074, 287860, 291750, 350100, 359825, 431790, 437625, 518148, 583500, 647685, 719650, 863580, 875250, 1079475, 1295370, 1439300, 1750500, 1799125, 2158950, 2590740, 3238425, 3598250, 4317900, 5397375, 6476850, 7196500, 10794750, 12953700, 16192125, 21589500, 32384250, 64768500]

約数ペア:

[(1, 64768500), (2, 32384250), (3, 21589500), (4, 16192125), (5, 12953700), (6, 10794750), (9, 7196500), (10, 6476850), (12, 5397375), (15, 4317900), (18, 3598250), (20, 3238425), (25, 2590740), (30, 2158950), (36, 1799125), (37, 1750500), (45, 1439300), (50, 1295370), (60, 1079475), (74, 875250), (75, 863580), (90, 719650), (100, 647685), (111, 583500), (125, 518148), (148, 437625), (150, 431790), (180, 359825), (185, 350100), (222, 291750), (225, 287860), (250, 259074), (300, 215895), (333, 194500), (370, 175050), (375, 172716), (389, 166500), (444, 145875), (450, 143930), (500, 129537), (555, 116700), (666, 97250), (740, 87525), (750, 86358), (778, 83250), (900, 71965), (925, 70020), (1110, 58350), (1125, 57572), (1167, 55500), (1332, 48625), (1500, 43179), (1556, 41625), (1665, 38900), (1850, 35010), (1945, 33300), (2220, 29175), (2250, 28786), (2334, 27750), (2775, 23340), (3330, 19450), (3501, 18500), (3700, 17505), (3890, 16650), (4500, 14393), (4625, 14004), (4668, 13875), (5550, 11670), (5835, 11100), (6660, 9725), (7002, 9250), (7780, 8325)]