1720490160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{311683}}^1$

素因数の和:311722

約数の個数: 80

約数和(自身を含む): 5565429504

約数和(自身を除く): 3844939344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 311683, 623366, 935049, 1246732, 1558415, 1870098, 2493464, 3116830, 3740196, 4675245, 4986928, 6233660, 7168709, 7480392, 9350490, 12467320, 14337418, 14960784, 18700980, 21506127, 24934640, 28674836, 35843545, 37401960, 43012254, 57349672, 71687090, 74803920, 86024508, 107530635, 114699344, 143374180, 172049016, 215061270, 286748360, 344098032, 430122540, 573496720, 860245080, 1720490160]

約数ペア:

[(1, 1720490160), (2, 860245080), (3, 573496720), (4, 430122540), (5, 344098032), (6, 286748360), (8, 215061270), (10, 172049016), (12, 143374180), (15, 114699344), (16, 107530635), (20, 86024508), (23, 74803920), (24, 71687090), (30, 57349672), (40, 43012254), (46, 37401960), (48, 35843545), (60, 28674836), (69, 24934640), (80, 21506127), (92, 18700980), (115, 14960784), (120, 14337418), (138, 12467320), (184, 9350490), (230, 7480392), (240, 7168709), (276, 6233660), (345, 4986928), (368, 4675245), (460, 3740196), (552, 3116830), (690, 2493464), (920, 1870098), (1104, 1558415), (1380, 1246732), (1840, 935049), (2760, 623366), (5520, 311683)]