30688680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 102228480

約数和(自身を除く): 71539800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 67, 88, 110, 120, 132, 134, 165, 201, 220, 264, 268, 330, 335, 347, 402, 440, 536, 660, 670, 694, 737, 804, 1005, 1041, 1320, 1340, 1388, 1474, 1608, 1735, 2010, 2082, 2211, 2680, 2776, 2948, 3470, 3685, 3817, 4020, 4164, 4422, 5205, 5896, 6940, 7370, 7634, 8040, 8328, 8844, 10410, 11055, 11451, 13880, 14740, 15268, 17688, 19085, 20820, 22110, 22902, 23249, 29480, 30536, 38170, 41640, 44220, 45804, 46498, 57255, 69747, 76340, 88440, 91608, 92996, 114510, 116245, 139494, 152680, 185992, 229020, 232490, 255739, 278988, 348735, 458040, 464980, 511478, 557976, 697470, 767217, 929960, 1022956, 1278695, 1394940, 1534434, 2045912, 2557390, 2789880, 3068868, 3836085, 5114780, 6137736, 7672170, 10229560, 15344340, 30688680]

約数ペア:

[(1, 30688680), (2, 15344340), (3, 10229560), (4, 7672170), (5, 6137736), (6, 5114780), (8, 3836085), (10, 3068868), (11, 2789880), (12, 2557390), (15, 2045912), (20, 1534434), (22, 1394940), (24, 1278695), (30, 1022956), (33, 929960), (40, 767217), (44, 697470), (55, 557976), (60, 511478), (66, 464980), (67, 458040), (88, 348735), (110, 278988), (120, 255739), (132, 232490), (134, 229020), (165, 185992), (201, 152680), (220, 139494), (264, 116245), (268, 114510), (330, 92996), (335, 91608), (347, 88440), (402, 76340), (440, 69747), (536, 57255), (660, 46498), (670, 45804), (694, 44220), (737, 41640), (804, 38170), (1005, 30536), (1041, 29480), (1320, 23249), (1340, 22902), (1388, 22110), (1474, 20820), (1608, 19085), (1735, 17688), (2010, 15268), (2082, 14740), (2211, 13880), (2680, 11451), (2776, 11055), (2948, 10410), (3470, 8844), (3685, 8328), (3817, 8040), (4020, 7634), (4164, 7370), (4422, 6940), (5205, 5896)]