19940880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4373}}^1$

素因数の和:4408

約数の個数: 80

約数和(自身を含む): 65085120

約数和(自身を除く): 45144240

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, 4373, 4560, 8746, 13119, 17492, 21865, 26238, 34984, 43730, 52476, 65595, 69968, 83087, 87460, 104952, 131190, 166174, 174920, 209904, 249261, 262380, 332348, 349840, 415435, 498522, 524760, 664696, 830870, 997044, 1049520, 1246305, 1329392, 1661740, 1994088, 2492610, 3323480, 3988176, 4985220, 6646960, 9970440, 19940880]

約数ペア:

[(1, 19940880), (2, 9970440), (3, 6646960), (4, 4985220), (5, 3988176), (6, 3323480), (8, 2492610), (10, 1994088), (12, 1661740), (15, 1329392), (16, 1246305), (19, 1049520), (20, 997044), (24, 830870), (30, 664696), (38, 524760), (40, 498522), (48, 415435), (57, 349840), (60, 332348), (76, 262380), (80, 249261), (95, 209904), (114, 174920), (120, 166174), (152, 131190), (190, 104952), (228, 87460), (240, 83087), (285, 69968), (304, 65595), (380, 52476), (456, 43730), (570, 34984), (760, 26238), (912, 21865), (1140, 17492), (1520, 13119), (2280, 8746), (4373, 4560)]