1521000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{13}}^2$

素因数の和:53

約数の個数: 144

約数和(自身を含む): 5566860

約数和(自身を除く): 4045860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 125, 130, 150, 156, 169, 180, 195, 200, 225, 234, 250, 260, 300, 312, 325, 338, 360, 375, 390, 450, 468, 500, 507, 520, 585, 600, 650, 676, 750, 780, 845, 900, 936, 975, 1000, 1014, 1125, 1170, 1300, 1352, 1500, 1521, 1560, 1625, 1690, 1800, 1950, 2028, 2250, 2340, 2535, 2600, 2925, 3000, 3042, 3250, 3380, 3900, 4056, 4225, 4500, 4680, 4875, 5070, 5850, 6084, 6500, 6760, 7605, 7800, 8450, 9000, 9750, 10140, 11700, 12168, 12675, 13000, 14625, 15210, 16900, 19500, 20280, 21125, 23400, 25350, 29250, 30420, 33800, 38025, 39000, 42250, 50700, 58500, 60840, 63375, 76050, 84500, 101400, 117000, 126750, 152100, 169000, 190125, 253500, 304200, 380250, 507000, 760500, 1521000]

約数ペア:

[(1, 1521000), (2, 760500), (3, 507000), (4, 380250), (5, 304200), (6, 253500), (8, 190125), (9, 169000), (10, 152100), (12, 126750), (13, 117000), (15, 101400), (18, 84500), (20, 76050), (24, 63375), (25, 60840), (26, 58500), (30, 50700), (36, 42250), (39, 39000), (40, 38025), (45, 33800), (50, 30420), (52, 29250), (60, 25350), (65, 23400), (72, 21125), (75, 20280), (78, 19500), (90, 16900), (100, 15210), (104, 14625), (117, 13000), (120, 12675), (125, 12168), (130, 11700), (150, 10140), (156, 9750), (169, 9000), (180, 8450), (195, 7800), (200, 7605), (225, 6760), (234, 6500), (250, 6084), (260, 5850), (300, 5070), (312, 4875), (325, 4680), (338, 4500), (360, 4225), (375, 4056), (390, 3900), (450, 3380), (468, 3250), (500, 3042), (507, 3000), (520, 2925), (585, 2600), (600, 2535), (650, 2340), (676, 2250), (750, 2028), (780, 1950), (845, 1800), (900, 1690), (936, 1625), (975, 1560), (1000, 1521), (1014, 1500), (1125, 1352), (1170, 1300)]