1921500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{61}}^1$

素因数の和:93

約数の個数: 144

約数和(自身を含む): 7041216

約数和(自身を除く): 5119716

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 61, 63, 70, 75, 84, 90, 100, 105, 122, 125, 126, 140, 150, 175, 180, 183, 210, 225, 244, 250, 252, 300, 305, 315, 350, 366, 375, 420, 427, 450, 500, 525, 549, 610, 630, 700, 732, 750, 854, 875, 900, 915, 1050, 1098, 1125, 1220, 1260, 1281, 1500, 1525, 1575, 1708, 1750, 1830, 2100, 2135, 2196, 2250, 2562, 2625, 2745, 3050, 3150, 3500, 3660, 3843, 4270, 4500, 4575, 5124, 5250, 5490, 6100, 6300, 6405, 7625, 7686, 7875, 8540, 9150, 10500, 10675, 10980, 12810, 13725, 15250, 15372, 15750, 18300, 19215, 21350, 22875, 25620, 27450, 30500, 31500, 32025, 38430, 42700, 45750, 53375, 54900, 64050, 68625, 76860, 91500, 96075, 106750, 128100, 137250, 160125, 192150, 213500, 274500, 320250, 384300, 480375, 640500, 960750, 1921500]

約数ペア:

[(1, 1921500), (2, 960750), (3, 640500), (4, 480375), (5, 384300), (6, 320250), (7, 274500), (9, 213500), (10, 192150), (12, 160125), (14, 137250), (15, 128100), (18, 106750), (20, 96075), (21, 91500), (25, 76860), (28, 68625), (30, 64050), (35, 54900), (36, 53375), (42, 45750), (45, 42700), (50, 38430), (60, 32025), (61, 31500), (63, 30500), (70, 27450), (75, 25620), (84, 22875), (90, 21350), (100, 19215), (105, 18300), (122, 15750), (125, 15372), (126, 15250), (140, 13725), (150, 12810), (175, 10980), (180, 10675), (183, 10500), (210, 9150), (225, 8540), (244, 7875), (250, 7686), (252, 7625), (300, 6405), (305, 6300), (315, 6100), (350, 5490), (366, 5250), (375, 5124), (420, 4575), (427, 4500), (450, 4270), (500, 3843), (525, 3660), (549, 3500), (610, 3150), (630, 3050), (700, 2745), (732, 2625), (750, 2562), (854, 2250), (875, 2196), (900, 2135), (915, 2100), (1050, 1830), (1098, 1750), (1125, 1708), (1220, 1575), (1260, 1525), (1281, 1500)]