187440880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6871}}^1$

素因数の和:6926

約数の個数: 80

約数和(自身を含む): 490825728

約数和(自身を除く): 303384848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 6871, 13640, 13742, 27280, 27484, 34355, 54968, 68710, 75581, 109936, 137420, 151162, 213001, 274840, 302324, 377905, 426002, 549680, 604648, 755810, 852004, 1065005, 1209296, 1511620, 1704008, 2130010, 2343011, 3023240, 3408016, 4260020, 4686022, 6046480, 8520040, 9372044, 11715055, 17040080, 18744088, 23430110, 37488176, 46860220, 93720440, 187440880]

約数ペア:

[(1, 187440880), (2, 93720440), (4, 46860220), (5, 37488176), (8, 23430110), (10, 18744088), (11, 17040080), (16, 11715055), (20, 9372044), (22, 8520040), (31, 6046480), (40, 4686022), (44, 4260020), (55, 3408016), (62, 3023240), (80, 2343011), (88, 2130010), (110, 1704008), (124, 1511620), (155, 1209296), (176, 1065005), (220, 852004), (248, 755810), (310, 604648), (341, 549680), (440, 426002), (496, 377905), (620, 302324), (682, 274840), (880, 213001), (1240, 151162), (1364, 137420), (1705, 109936), (2480, 75581), (2728, 68710), (3410, 54968), (5456, 34355), (6820, 27484), (6871, 27280), (13640, 13742)]