28743390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 87091200

約数和(自身を除く): 58347810

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 38, 39, 45, 54, 57, 65, 78, 90, 95, 114, 117, 130, 135, 171, 190, 195, 234, 247, 270, 285, 342, 351, 390, 431, 494, 513, 570, 585, 702, 741, 855, 862, 1026, 1170, 1235, 1293, 1482, 1710, 1755, 2155, 2223, 2470, 2565, 2586, 3510, 3705, 3879, 4310, 4446, 5130, 5603, 6465, 6669, 7410, 7758, 8189, 11115, 11206, 11637, 12930, 13338, 16378, 16809, 19395, 22230, 23274, 24567, 28015, 33345, 33618, 38790, 40945, 49134, 50427, 56030, 58185, 66690, 73701, 81890, 84045, 100854, 106457, 116370, 122835, 147402, 151281, 168090, 212914, 221103, 245670, 252135, 302562, 319371, 368505, 442206, 504270, 532285, 638742, 737010, 756405, 958113, 1064570, 1105515, 1512810, 1596855, 1916226, 2211030, 2874339, 3193710, 4790565, 5748678, 9581130, 14371695, 28743390]

約数ペア:

[(1, 28743390), (2, 14371695), (3, 9581130), (5, 5748678), (6, 4790565), (9, 3193710), (10, 2874339), (13, 2211030), (15, 1916226), (18, 1596855), (19, 1512810), (26, 1105515), (27, 1064570), (30, 958113), (38, 756405), (39, 737010), (45, 638742), (54, 532285), (57, 504270), (65, 442206), (78, 368505), (90, 319371), (95, 302562), (114, 252135), (117, 245670), (130, 221103), (135, 212914), (171, 168090), (190, 151281), (195, 147402), (234, 122835), (247, 116370), (270, 106457), (285, 100854), (342, 84045), (351, 81890), (390, 73701), (431, 66690), (494, 58185), (513, 56030), (570, 50427), (585, 49134), (702, 40945), (741, 38790), (855, 33618), (862, 33345), (1026, 28015), (1170, 24567), (1235, 23274), (1293, 22230), (1482, 19395), (1710, 16809), (1755, 16378), (2155, 13338), (2223, 12930), (2470, 11637), (2565, 11206), (2586, 11115), (3510, 8189), (3705, 7758), (3879, 7410), (4310, 6669), (4446, 6465), (5130, 5603)]