1325100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{631}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 4388608

約数和(自身を除く): 3063508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 631, 700, 1050, 1262, 1893, 2100, 2524, 3155, 3786, 4417, 6310, 7572, 8834, 9465, 12620, 13251, 15775, 17668, 18930, 22085, 26502, 31550, 37860, 44170, 47325, 53004, 63100, 66255, 88340, 94650, 110425, 132510, 189300, 220850, 265020, 331275, 441700, 662550, 1325100]

約数ペア:

[(1, 1325100), (2, 662550), (3, 441700), (4, 331275), (5, 265020), (6, 220850), (7, 189300), (10, 132510), (12, 110425), (14, 94650), (15, 88340), (20, 66255), (21, 63100), (25, 53004), (28, 47325), (30, 44170), (35, 37860), (42, 31550), (50, 26502), (60, 22085), (70, 18930), (75, 17668), (84, 15775), (100, 13251), (105, 12620), (140, 9465), (150, 8834), (175, 7572), (210, 6310), (300, 4417), (350, 3786), (420, 3155), (525, 2524), (631, 2100), (700, 1893), (1050, 1262)]