645546420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{15661}}^1$

素因数の和:15905

約数の個数: 72

約数和(自身を含む): 1966833960

約数和(自身を除く): 1321287540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 2061, 2290, 2748, 3435, 4122, 4580, 6870, 8244, 10305, 13740, 15661, 20610, 31322, 41220, 46983, 62644, 78305, 93966, 140949, 156610, 187932, 234915, 281898, 313220, 469830, 563796, 704745, 939660, 1409490, 2818980, 3586369, 7172738, 10759107, 14345476, 17931845, 21518214, 32277321, 35863690, 43036428, 53795535, 64554642, 71727380, 107591070, 129109284, 161386605, 215182140, 322773210, 645546420]

約数ペア:

[(1, 645546420), (2, 322773210), (3, 215182140), (4, 161386605), (5, 129109284), (6, 107591070), (9, 71727380), (10, 64554642), (12, 53795535), (15, 43036428), (18, 35863690), (20, 32277321), (30, 21518214), (36, 17931845), (45, 14345476), (60, 10759107), (90, 7172738), (180, 3586369), (229, 2818980), (458, 1409490), (687, 939660), (916, 704745), (1145, 563796), (1374, 469830), (2061, 313220), (2290, 281898), (2748, 234915), (3435, 187932), (4122, 156610), (4580, 140949), (6870, 93966), (8244, 78305), (10305, 62644), (13740, 46983), (15661, 41220), (20610, 31322)]