83920140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7643}}^1$

素因数の和:7719

約数の個数: 72

約数和(自身を含む): 258764688

約数和(自身を除く): 174844548

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, 7643, 10980, 15286, 22929, 30572, 38215, 45858, 68787, 76430, 91716, 114645, 137574, 152860, 229290, 275148, 343935, 458580, 466223, 687870, 932446, 1375740, 1398669, 1864892, 2331115, 2797338, 4196007, 4662230, 5594676, 6993345, 8392014, 9324460, 13986690, 16784028, 20980035, 27973380, 41960070, 83920140]

約数ペア:

[(1, 83920140), (2, 41960070), (3, 27973380), (4, 20980035), (5, 16784028), (6, 13986690), (9, 9324460), (10, 8392014), (12, 6993345), (15, 5594676), (18, 4662230), (20, 4196007), (30, 2797338), (36, 2331115), (45, 1864892), (60, 1398669), (61, 1375740), (90, 932446), (122, 687870), (180, 466223), (183, 458580), (244, 343935), (305, 275148), (366, 229290), (549, 152860), (610, 137574), (732, 114645), (915, 91716), (1098, 76430), (1220, 68787), (1830, 45858), (2196, 38215), (2745, 30572), (3660, 22929), (5490, 15286), (7643, 10980)]