78381840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17189}}^1$

素因数の和:17224

約数の個数: 80

約数和(自身を含む): 255787200

約数和(自身を除く): 177405360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 17189, 34378, 51567, 68756, 85945, 103134, 137512, 171890, 206268, 257835, 275024, 326591, 343780, 412536, 515670, 653182, 687560, 825072, 979773, 1031340, 1306364, 1375120, 1632955, 1959546, 2062680, 2612728, 3265910, 3919092, 4125360, 4898865, 5225456, 6531820, 7838184, 9797730, 13063640, 15676368, 19595460, 26127280, 39190920, 78381840]

約数ペア:

[(1, 78381840), (2, 39190920), (3, 26127280), (4, 19595460), (5, 15676368), (6, 13063640), (8, 9797730), (10, 7838184), (12, 6531820), (15, 5225456), (16, 4898865), (19, 4125360), (20, 3919092), (24, 3265910), (30, 2612728), (38, 2062680), (40, 1959546), (48, 1632955), (57, 1375120), (60, 1306364), (76, 1031340), (80, 979773), (95, 825072), (114, 687560), (120, 653182), (152, 515670), (190, 412536), (228, 343780), (240, 326591), (285, 275024), (304, 257835), (380, 206268), (456, 171890), (570, 137512), (760, 103134), (912, 85945), (1140, 68756), (1520, 51567), (2280, 34378), (4560, 17189)]