16907940

素因数分解:

$2^2\times 3^5\times 5^1\times 7^2\times {\mathrm{71}}^1$

素因数の和:109

約数の個数: 216

約数和(自身を含む): 62741952

約数和(自身を除く): 45834012

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 71, 81, 84, 90, 98, 105, 108, 126, 135, 140, 142, 147, 162, 180, 189, 196, 210, 213, 243, 245, 252, 270, 284, 294, 315, 324, 355, 378, 405, 420, 426, 441, 486, 490, 497, 540, 567, 588, 630, 639, 710, 735, 756, 810, 852, 882, 945, 972, 980, 994, 1065, 1134, 1215, 1260, 1278, 1323, 1420, 1470, 1491, 1620, 1701, 1764, 1890, 1917, 1988, 2130, 2205, 2268, 2430, 2485, 2556, 2646, 2835, 2940, 2982, 3195, 3402, 3479, 3780, 3834, 3969, 4260, 4410, 4473, 4860, 4970, 5292, 5670, 5751, 5964, 6390, 6615, 6804, 6958, 7455, 7668, 7938, 8505, 8820, 8946, 9585, 9940, 10437, 11340, 11502, 11907, 12780, 13230, 13419, 13916, 14910, 15876, 17010, 17253, 17395, 17892, 19170, 19845, 20874, 22365, 23004, 23814, 26460, 26838, 28755, 29820, 31311, 34020, 34506, 34790, 38340, 39690, 40257, 41748, 44730, 47628, 52185, 53676, 57510, 59535, 62622, 67095, 69012, 69580, 79380, 80514, 86265, 89460, 93933, 104370, 115020, 119070, 120771, 125244, 134190, 156555, 161028, 172530, 187866, 201285, 208740, 238140, 241542, 268380, 281799, 313110, 345060, 375732, 402570, 469665, 483084, 563598, 603855, 626220, 805140, 845397, 939330, 1127196, 1207710, 1408995, 1690794, 1878660, 2415420, 2817990, 3381588, 4226985, 5635980, 8453970, 16907940]

約数ペア:

[(1, 16907940), (2, 8453970), (3, 5635980), (4, 4226985), (5, 3381588), (6, 2817990), (7, 2415420), (9, 1878660), (10, 1690794), (12, 1408995), (14, 1207710), (15, 1127196), (18, 939330), (20, 845397), (21, 805140), (27, 626220), (28, 603855), (30, 563598), (35, 483084), (36, 469665), (42, 402570), (45, 375732), (49, 345060), (54, 313110), (60, 281799), (63, 268380), (70, 241542), (71, 238140), (81, 208740), (84, 201285), (90, 187866), (98, 172530), (105, 161028), (108, 156555), (126, 134190), (135, 125244), (140, 120771), (142, 119070), (147, 115020), (162, 104370), (180, 93933), (189, 89460), (196, 86265), (210, 80514), (213, 79380), (243, 69580), (245, 69012), (252, 67095), (270, 62622), (284, 59535), (294, 57510), (315, 53676), (324, 52185), (355, 47628), (378, 44730), (405, 41748), (420, 40257), (426, 39690), (441, 38340), (486, 34790), (490, 34506), (497, 34020), (540, 31311), (567, 29820), (588, 28755), (630, 26838), (639, 26460), (710, 23814), (735, 23004), (756, 22365), (810, 20874), (852, 19845), (882, 19170), (945, 17892), (972, 17395), (980, 17253), (994, 17010), (1065, 15876), (1134, 14910), (1215, 13916), (1260, 13419), (1278, 13230), (1323, 12780), (1420, 11907), (1470, 11502), (1491, 11340), (1620, 10437), (1701, 9940), (1764, 9585), (1890, 8946), (1917, 8820), (1988, 8505), (2130, 7938), (2205, 7668), (2268, 7455), (2430, 6958), (2485, 6804), (2556, 6615), (2646, 6390), (2835, 5964), (2940, 5751), (2982, 5670), (3195, 5292), (3402, 4970), (3479, 4860), (3780, 4473), (3834, 4410), (3969, 4260)]