278164560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61001}}^1$

素因数の和:61036

約数の個数: 80

約数和(自身を含む): 907709760

約数和(自身を除く): 629545200

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, 61001, 122002, 183003, 244004, 305005, 366006, 488008, 610010, 732012, 915015, 976016, 1159019, 1220020, 1464024, 1830030, 2318038, 2440040, 2928048, 3477057, 3660060, 4636076, 4880080, 5795095, 6954114, 7320120, 9272152, 11590190, 13908228, 14640240, 17385285, 18544304, 23180380, 27816456, 34770570, 46360760, 55632912, 69541140, 92721520, 139082280, 278164560]

約数ペア:

[(1, 278164560), (2, 139082280), (3, 92721520), (4, 69541140), (5, 55632912), (6, 46360760), (8, 34770570), (10, 27816456), (12, 23180380), (15, 18544304), (16, 17385285), (19, 14640240), (20, 13908228), (24, 11590190), (30, 9272152), (38, 7320120), (40, 6954114), (48, 5795095), (57, 4880080), (60, 4636076), (76, 3660060), (80, 3477057), (95, 2928048), (114, 2440040), (120, 2318038), (152, 1830030), (190, 1464024), (228, 1220020), (240, 1159019), (285, 976016), (304, 915015), (380, 732012), (456, 610010), (570, 488008), (760, 366006), (912, 305005), (1140, 244004), (1520, 183003), (2280, 122002), (4560, 61001)]