2528820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{223}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 9106944

約数和(自身を除く): 6578124

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 223, 252, 270, 315, 324, 378, 405, 420, 446, 540, 567, 630, 669, 756, 810, 892, 945, 1115, 1134, 1260, 1338, 1561, 1620, 1890, 2007, 2230, 2268, 2676, 2835, 3122, 3345, 3780, 4014, 4460, 4683, 5670, 6021, 6244, 6690, 7805, 8028, 9366, 10035, 11340, 12042, 13380, 14049, 15610, 18063, 18732, 20070, 23415, 24084, 28098, 30105, 31220, 36126, 40140, 42147, 46830, 56196, 60210, 70245, 72252, 84294, 90315, 93660, 120420, 126441, 140490, 168588, 180630, 210735, 252882, 280980, 361260, 421470, 505764, 632205, 842940, 1264410, 2528820]

約数ペア:

[(1, 2528820), (2, 1264410), (3, 842940), (4, 632205), (5, 505764), (6, 421470), (7, 361260), (9, 280980), (10, 252882), (12, 210735), (14, 180630), (15, 168588), (18, 140490), (20, 126441), (21, 120420), (27, 93660), (28, 90315), (30, 84294), (35, 72252), (36, 70245), (42, 60210), (45, 56196), (54, 46830), (60, 42147), (63, 40140), (70, 36126), (81, 31220), (84, 30105), (90, 28098), (105, 24084), (108, 23415), (126, 20070), (135, 18732), (140, 18063), (162, 15610), (180, 14049), (189, 13380), (210, 12042), (223, 11340), (252, 10035), (270, 9366), (315, 8028), (324, 7805), (378, 6690), (405, 6244), (420, 6021), (446, 5670), (540, 4683), (567, 4460), (630, 4014), (669, 3780), (756, 3345), (810, 3122), (892, 2835), (945, 2676), (1115, 2268), (1134, 2230), (1260, 2007), (1338, 1890), (1561, 1620)]