1540980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1223}}^1$

素因数の和:1245

約数の個数: 72

約数和(自身を含む): 5346432

約数和(自身を除く): 3805452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1223, 1260, 2446, 3669, 4892, 6115, 7338, 8561, 11007, 12230, 14676, 17122, 18345, 22014, 24460, 25683, 34244, 36690, 42805, 44028, 51366, 55035, 73380, 77049, 85610, 102732, 110070, 128415, 154098, 171220, 220140, 256830, 308196, 385245, 513660, 770490, 1540980]

約数ペア:

[(1, 1540980), (2, 770490), (3, 513660), (4, 385245), (5, 308196), (6, 256830), (7, 220140), (9, 171220), (10, 154098), (12, 128415), (14, 110070), (15, 102732), (18, 85610), (20, 77049), (21, 73380), (28, 55035), (30, 51366), (35, 44028), (36, 42805), (42, 36690), (45, 34244), (60, 25683), (63, 24460), (70, 22014), (84, 18345), (90, 17122), (105, 14676), (126, 12230), (140, 11007), (180, 8561), (210, 7338), (252, 6115), (315, 4892), (420, 3669), (630, 2446), (1223, 1260)]