40728780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11909}}^1$

素因数の和:11943

約数の個数: 72

約数和(自身を含む): 130057200

約数和(自身を除く): 89328420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 11909, 23818, 35727, 47636, 59545, 71454, 107181, 119090, 142908, 178635, 214362, 226271, 238180, 357270, 428724, 452542, 535905, 678813, 714540, 905084, 1071810, 1131355, 1357626, 2036439, 2143620, 2262710, 2715252, 3394065, 4072878, 4525420, 6788130, 8145756, 10182195, 13576260, 20364390, 40728780]

約数ペア:

[(1, 40728780), (2, 20364390), (3, 13576260), (4, 10182195), (5, 8145756), (6, 6788130), (9, 4525420), (10, 4072878), (12, 3394065), (15, 2715252), (18, 2262710), (19, 2143620), (20, 2036439), (30, 1357626), (36, 1131355), (38, 1071810), (45, 905084), (57, 714540), (60, 678813), (76, 535905), (90, 452542), (95, 428724), (114, 357270), (171, 238180), (180, 226271), (190, 214362), (228, 178635), (285, 142908), (342, 119090), (380, 107181), (570, 71454), (684, 59545), (855, 47636), (1140, 35727), (1710, 23818), (3420, 11909)]