81755800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2539}}^1$

素因数の和:2585

約数の個数: 96

約数和(自身を含む): 226771200

約数和(自身を除く): 145015400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 92, 100, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 460, 575, 644, 700, 805, 920, 1150, 1288, 1400, 1610, 2300, 2539, 3220, 4025, 4600, 5078, 6440, 8050, 10156, 12695, 16100, 17773, 20312, 25390, 32200, 35546, 50780, 58397, 63475, 71092, 88865, 101560, 116794, 126950, 142184, 177730, 233588, 253900, 291985, 355460, 408779, 444325, 467176, 507800, 583970, 710920, 817558, 888650, 1167940, 1459925, 1635116, 1777300, 2043895, 2335880, 2919850, 3270232, 3554600, 4087790, 5839700, 8175580, 10219475, 11679400, 16351160, 20438950, 40877900, 81755800]

約数ペア:

[(1, 81755800), (2, 40877900), (4, 20438950), (5, 16351160), (7, 11679400), (8, 10219475), (10, 8175580), (14, 5839700), (20, 4087790), (23, 3554600), (25, 3270232), (28, 2919850), (35, 2335880), (40, 2043895), (46, 1777300), (50, 1635116), (56, 1459925), (70, 1167940), (92, 888650), (100, 817558), (115, 710920), (140, 583970), (161, 507800), (175, 467176), (184, 444325), (200, 408779), (230, 355460), (280, 291985), (322, 253900), (350, 233588), (460, 177730), (575, 142184), (644, 126950), (700, 116794), (805, 101560), (920, 88865), (1150, 71092), (1288, 63475), (1400, 58397), (1610, 50780), (2300, 35546), (2539, 32200), (3220, 25390), (4025, 20312), (4600, 17773), (5078, 16100), (6440, 12695), (8050, 10156)]