40781220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 121927680

約数和(自身を除く): 81146460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 83, 95, 114, 166, 190, 228, 249, 285, 332, 380, 415, 431, 498, 570, 830, 862, 996, 1140, 1245, 1293, 1577, 1660, 1724, 2155, 2490, 2586, 3154, 4310, 4731, 4980, 5172, 6308, 6465, 7885, 8189, 8620, 9462, 12930, 15770, 16378, 18924, 23655, 24567, 25860, 31540, 32756, 35773, 40945, 47310, 49134, 71546, 81890, 94620, 98268, 107319, 122835, 143092, 163780, 178865, 214638, 245670, 357730, 429276, 491340, 536595, 679687, 715460, 1073190, 1359374, 2039061, 2146380, 2718748, 3398435, 4078122, 6796870, 8156244, 10195305, 13593740, 20390610, 40781220]

約数ペア:

[(1, 40781220), (2, 20390610), (3, 13593740), (4, 10195305), (5, 8156244), (6, 6796870), (10, 4078122), (12, 3398435), (15, 2718748), (19, 2146380), (20, 2039061), (30, 1359374), (38, 1073190), (57, 715460), (60, 679687), (76, 536595), (83, 491340), (95, 429276), (114, 357730), (166, 245670), (190, 214638), (228, 178865), (249, 163780), (285, 143092), (332, 122835), (380, 107319), (415, 98268), (431, 94620), (498, 81890), (570, 71546), (830, 49134), (862, 47310), (996, 40945), (1140, 35773), (1245, 32756), (1293, 31540), (1577, 25860), (1660, 24567), (1724, 23655), (2155, 18924), (2490, 16378), (2586, 15770), (3154, 12930), (4310, 9462), (4731, 8620), (4980, 8189), (5172, 7885), (6308, 6465)]