31229880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 104198400

約数和(自身を除く): 72968520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 59, 60, 66, 88, 110, 118, 120, 132, 165, 177, 220, 236, 264, 295, 330, 354, 401, 440, 472, 590, 649, 660, 708, 802, 885, 1180, 1203, 1298, 1320, 1416, 1604, 1770, 1947, 2005, 2360, 2406, 2596, 3208, 3245, 3540, 3894, 4010, 4411, 4812, 5192, 6015, 6490, 7080, 7788, 8020, 8822, 9624, 9735, 12030, 12980, 13233, 15576, 16040, 17644, 19470, 22055, 23659, 24060, 25960, 26466, 35288, 38940, 44110, 47318, 48120, 52932, 66165, 70977, 77880, 88220, 94636, 105864, 118295, 132330, 141954, 176440, 189272, 236590, 260249, 264660, 283908, 354885, 473180, 520498, 529320, 567816, 709770, 780747, 946360, 1040996, 1301245, 1419540, 1561494, 2081992, 2602490, 2839080, 3122988, 3903735, 5204980, 6245976, 7807470, 10409960, 15614940, 31229880]

約数ペア:

[(1, 31229880), (2, 15614940), (3, 10409960), (4, 7807470), (5, 6245976), (6, 5204980), (8, 3903735), (10, 3122988), (11, 2839080), (12, 2602490), (15, 2081992), (20, 1561494), (22, 1419540), (24, 1301245), (30, 1040996), (33, 946360), (40, 780747), (44, 709770), (55, 567816), (59, 529320), (60, 520498), (66, 473180), (88, 354885), (110, 283908), (118, 264660), (120, 260249), (132, 236590), (165, 189272), (177, 176440), (220, 141954), (236, 132330), (264, 118295), (295, 105864), (330, 94636), (354, 88220), (401, 77880), (440, 70977), (472, 66165), (590, 52932), (649, 48120), (660, 47318), (708, 44110), (802, 38940), (885, 35288), (1180, 26466), (1203, 25960), (1298, 24060), (1320, 23659), (1416, 22055), (1604, 19470), (1770, 17644), (1947, 16040), (2005, 15576), (2360, 13233), (2406, 12980), (2596, 12030), (3208, 9735), (3245, 9624), (3540, 8822), (3894, 8020), (4010, 7788), (4411, 7080), (4812, 6490), (5192, 6015)]