128345520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23251}}^1$

素因数の和:23290

約数の個数: 80

約数和(自身を含む): 415187712

約数和(自身を除く): 286842192

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, 23251, 46502, 69753, 93004, 116255, 139506, 186008, 232510, 279012, 348765, 372016, 465020, 534773, 558024, 697530, 930040, 1069546, 1116048, 1395060, 1604319, 1860080, 2139092, 2673865, 2790120, 3208638, 4278184, 5347730, 5580240, 6417276, 8021595, 8556368, 10695460, 12834552, 16043190, 21390920, 25669104, 32086380, 42781840, 64172760, 128345520]

約数ペア:

[(1, 128345520), (2, 64172760), (3, 42781840), (4, 32086380), (5, 25669104), (6, 21390920), (8, 16043190), (10, 12834552), (12, 10695460), (15, 8556368), (16, 8021595), (20, 6417276), (23, 5580240), (24, 5347730), (30, 4278184), (40, 3208638), (46, 2790120), (48, 2673865), (60, 2139092), (69, 1860080), (80, 1604319), (92, 1395060), (115, 1116048), (120, 1069546), (138, 930040), (184, 697530), (230, 558024), (240, 534773), (276, 465020), (345, 372016), (368, 348765), (460, 279012), (552, 232510), (690, 186008), (920, 139506), (1104, 116255), (1380, 93004), (1840, 69753), (2760, 46502), (5520, 23251)]