145206840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 449971200

約数和(自身を除く): 304764360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 83, 120, 122, 166, 183, 239, 244, 249, 305, 332, 366, 415, 478, 488, 498, 610, 664, 717, 732, 830, 915, 956, 996, 1195, 1220, 1245, 1434, 1464, 1660, 1830, 1912, 1992, 2390, 2440, 2490, 2868, 3320, 3585, 3660, 4780, 4980, 5063, 5736, 7170, 7320, 9560, 9960, 10126, 14340, 14579, 15189, 19837, 20252, 25315, 28680, 29158, 30378, 39674, 40504, 43737, 50630, 58316, 59511, 60756, 72895, 75945, 79348, 87474, 99185, 101260, 116632, 119022, 121512, 145790, 151890, 158696, 174948, 198370, 202520, 218685, 238044, 291580, 297555, 303780, 349896, 396740, 437370, 476088, 583160, 595110, 607560, 793480, 874740, 1190220, 1210057, 1749480, 2380440, 2420114, 3630171, 4840228, 6050285, 7260342, 9680456, 12100570, 14520684, 18150855, 24201140, 29041368, 36301710, 48402280, 72603420, 145206840]

約数ペア:

[(1, 145206840), (2, 72603420), (3, 48402280), (4, 36301710), (5, 29041368), (6, 24201140), (8, 18150855), (10, 14520684), (12, 12100570), (15, 9680456), (20, 7260342), (24, 6050285), (30, 4840228), (40, 3630171), (60, 2420114), (61, 2380440), (83, 1749480), (120, 1210057), (122, 1190220), (166, 874740), (183, 793480), (239, 607560), (244, 595110), (249, 583160), (305, 476088), (332, 437370), (366, 396740), (415, 349896), (478, 303780), (488, 297555), (498, 291580), (610, 238044), (664, 218685), (717, 202520), (732, 198370), (830, 174948), (915, 158696), (956, 151890), (996, 145790), (1195, 121512), (1220, 119022), (1245, 116632), (1434, 101260), (1464, 99185), (1660, 87474), (1830, 79348), (1912, 75945), (1992, 72895), (2390, 60756), (2440, 59511), (2490, 58316), (2868, 50630), (3320, 43737), (3585, 40504), (3660, 39674), (4780, 30378), (4980, 29158), (5063, 28680), (5736, 25315), (7170, 20252), (7320, 19837), (9560, 15189), (9960, 14579), (10126, 14340)]