66140640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2041

約数の個数: 144

約数和(自身を含む): 235636128

約数和(自身を除く): 169495488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 690, 720, 736, 828, 920, 1035, 1104, 1380, 1440, 1656, 1840, 1997, 2070, 2208, 2760, 3312, 3680, 3994, 4140, 5520, 5991, 6624, 7988, 8280, 9985, 11040, 11982, 15976, 16560, 17973, 19970, 23964, 29955, 31952, 33120, 35946, 39940, 45931, 47928, 59910, 63904, 71892, 79880, 89865, 91862, 95856, 119820, 137793, 143784, 159760, 179730, 183724, 191712, 229655, 239640, 275586, 287568, 319520, 359460, 367448, 413379, 459310, 479280, 551172, 575136, 688965, 718920, 734896, 826758, 918620, 958560, 1102344, 1377930, 1437840, 1469792, 1653516, 1837240, 2066895, 2204688, 2755860, 2875680, 3307032, 3674480, 4133790, 4409376, 5511720, 6614064, 7348960, 8267580, 11023440, 13228128, 16535160, 22046880, 33070320, 66140640]

約数ペア:

[(1, 66140640), (2, 33070320), (3, 22046880), (4, 16535160), (5, 13228128), (6, 11023440), (8, 8267580), (9, 7348960), (10, 6614064), (12, 5511720), (15, 4409376), (16, 4133790), (18, 3674480), (20, 3307032), (23, 2875680), (24, 2755860), (30, 2204688), (32, 2066895), (36, 1837240), (40, 1653516), (45, 1469792), (46, 1437840), (48, 1377930), (60, 1102344), (69, 958560), (72, 918620), (80, 826758), (90, 734896), (92, 718920), (96, 688965), (115, 575136), (120, 551172), (138, 479280), (144, 459310), (160, 413379), (180, 367448), (184, 359460), (207, 319520), (230, 287568), (240, 275586), (276, 239640), (288, 229655), (345, 191712), (360, 183724), (368, 179730), (414, 159760), (460, 143784), (480, 137793), (552, 119820), (690, 95856), (720, 91862), (736, 89865), (828, 79880), (920, 71892), (1035, 63904), (1104, 59910), (1380, 47928), (1440, 45931), (1656, 39940), (1840, 35946), (1997, 33120), (2070, 31952), (2208, 29955), (2760, 23964), (3312, 19970), (3680, 17973), (3994, 16560), (4140, 15976), (5520, 11982), (5991, 11040), (6624, 9985), (7988, 8280)]