31209660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2089}}^1$

素因数の和:2187

約数の個数: 72

約数和(自身を含む): 95855760

約数和(自身を除く): 64646100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2089, 2490, 2988, 3735, 4178, 4980, 6267, 7470, 8356, 10445, 12534, 14940, 18801, 20890, 25068, 31335, 37602, 41780, 62670, 75204, 94005, 125340, 173387, 188010, 346774, 376020, 520161, 693548, 866935, 1040322, 1560483, 1733870, 2080644, 2600805, 3120966, 3467740, 5201610, 6241932, 7802415, 10403220, 15604830, 31209660]

約数ペア:

[(1, 31209660), (2, 15604830), (3, 10403220), (4, 7802415), (5, 6241932), (6, 5201610), (9, 3467740), (10, 3120966), (12, 2600805), (15, 2080644), (18, 1733870), (20, 1560483), (30, 1040322), (36, 866935), (45, 693548), (60, 520161), (83, 376020), (90, 346774), (166, 188010), (180, 173387), (249, 125340), (332, 94005), (415, 75204), (498, 62670), (747, 41780), (830, 37602), (996, 31335), (1245, 25068), (1494, 20890), (1660, 18801), (2089, 14940), (2490, 12534), (2988, 10445), (3735, 8356), (4178, 7470), (4980, 6267)]