212869260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19387}}^1$

素因数の和:19463

約数の個数: 72

約数和(自身を含む): 656322576

約数和(自身を除く): 443453316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 19387, 38774, 58161, 77548, 96935, 116322, 174483, 193870, 232644, 290805, 348966, 387740, 581610, 697932, 872415, 1163220, 1182607, 1744830, 2365214, 3489660, 3547821, 4730428, 5913035, 7095642, 10643463, 11826070, 14191284, 17739105, 21286926, 23652140, 35478210, 42573852, 53217315, 70956420, 106434630, 212869260]

約数ペア:

[(1, 212869260), (2, 106434630), (3, 70956420), (4, 53217315), (5, 42573852), (6, 35478210), (9, 23652140), (10, 21286926), (12, 17739105), (15, 14191284), (18, 11826070), (20, 10643463), (30, 7095642), (36, 5913035), (45, 4730428), (60, 3547821), (61, 3489660), (90, 2365214), (122, 1744830), (180, 1182607), (183, 1163220), (244, 872415), (305, 697932), (366, 581610), (549, 387740), (610, 348966), (732, 290805), (915, 232644), (1098, 193870), (1220, 174483), (1830, 116322), (2196, 96935), (2745, 77548), (3660, 58161), (5490, 38774), (10980, 19387)]