66921720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{24247}}^1$

素因数の和:24284

約数の個数: 64

約数和(自身を含む): 209502720

約数和(自身を除く): 142581000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 24247, 48494, 72741, 96988, 121235, 145482, 193976, 242470, 290964, 363705, 484940, 557681, 581928, 727410, 969880, 1115362, 1454820, 1673043, 2230724, 2788405, 2909640, 3346086, 4461448, 5576810, 6692172, 8365215, 11153620, 13384344, 16730430, 22307240, 33460860, 66921720]

約数ペア:

[(1, 66921720), (2, 33460860), (3, 22307240), (4, 16730430), (5, 13384344), (6, 11153620), (8, 8365215), (10, 6692172), (12, 5576810), (15, 4461448), (20, 3346086), (23, 2909640), (24, 2788405), (30, 2230724), (40, 1673043), (46, 1454820), (60, 1115362), (69, 969880), (92, 727410), (115, 581928), (120, 557681), (138, 484940), (184, 363705), (230, 290964), (276, 242470), (345, 193976), (460, 145482), (552, 121235), (690, 96988), (920, 72741), (1380, 48494), (2760, 24247)]