31179780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2087}}^1$

素因数の和:2185

約数の個数: 72

約数和(自身を含む): 95764032

約数和(自身を除く): 64584252

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, 2087, 2490, 2988, 3735, 4174, 4980, 6261, 7470, 8348, 10435, 12522, 14940, 18783, 20870, 25044, 31305, 37566, 41740, 62610, 75132, 93915, 125220, 173221, 187830, 346442, 375660, 519663, 692884, 866105, 1039326, 1558989, 1732210, 2078652, 2598315, 3117978, 3464420, 5196630, 6235956, 7794945, 10393260, 15589890, 31179780]

約数ペア:

[(1, 31179780), (2, 15589890), (3, 10393260), (4, 7794945), (5, 6235956), (6, 5196630), (9, 3464420), (10, 3117978), (12, 2598315), (15, 2078652), (18, 1732210), (20, 1558989), (30, 1039326), (36, 866105), (45, 692884), (60, 519663), (83, 375660), (90, 346442), (166, 187830), (180, 173221), (249, 125220), (332, 93915), (415, 75132), (498, 62610), (747, 41740), (830, 37566), (996, 31305), (1245, 25044), (1494, 20870), (1660, 18783), (2087, 14940), (2490, 12522), (2988, 10435), (3735, 8348), (4174, 7470), (4980, 6261)]