28145460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3527}}^1$

素因数の和:3565

約数の個数: 96

約数和(自身を含む): 94832640

約数和(自身を除く): 66687180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3527, 3990, 7054, 7980, 10581, 14108, 17635, 21162, 24689, 35270, 42324, 49378, 52905, 67013, 70540, 74067, 98756, 105810, 123445, 134026, 148134, 201039, 211620, 246890, 268052, 296268, 335065, 370335, 402078, 469091, 493780, 670130, 740670, 804156, 938182, 1005195, 1340260, 1407273, 1481340, 1876364, 2010390, 2345455, 2814546, 4020780, 4690910, 5629092, 7036365, 9381820, 14072730, 28145460]

約数ペア:

[(1, 28145460), (2, 14072730), (3, 9381820), (4, 7036365), (5, 5629092), (6, 4690910), (7, 4020780), (10, 2814546), (12, 2345455), (14, 2010390), (15, 1876364), (19, 1481340), (20, 1407273), (21, 1340260), (28, 1005195), (30, 938182), (35, 804156), (38, 740670), (42, 670130), (57, 493780), (60, 469091), (70, 402078), (76, 370335), (84, 335065), (95, 296268), (105, 268052), (114, 246890), (133, 211620), (140, 201039), (190, 148134), (210, 134026), (228, 123445), (266, 105810), (285, 98756), (380, 74067), (399, 70540), (420, 67013), (532, 52905), (570, 49378), (665, 42324), (798, 35270), (1140, 24689), (1330, 21162), (1596, 17635), (1995, 14108), (2660, 10581), (3527, 7980), (3990, 7054)]