1279200390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{41519}}^1$

素因数の和:41621

約数の個数: 64

約数和(自身を含む): 3348172800

約数和(自身を除く): 2068972410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 158, 195, 237, 390, 395, 474, 790, 1027, 1185, 2054, 2370, 3081, 5135, 6162, 10270, 15405, 30810, 41519, 83038, 124557, 207595, 249114, 415190, 539747, 622785, 1079494, 1245570, 1619241, 2698735, 3238482, 3280001, 5397470, 6560002, 8096205, 9840003, 16192410, 16400005, 19680006, 32800010, 42640013, 49200015, 85280026, 98400030, 127920039, 213200065, 255840078, 426400130, 639600195, 1279200390]

約数ペア:

[(1, 1279200390), (2, 639600195), (3, 426400130), (5, 255840078), (6, 213200065), (10, 127920039), (13, 98400030), (15, 85280026), (26, 49200015), (30, 42640013), (39, 32800010), (65, 19680006), (78, 16400005), (79, 16192410), (130, 9840003), (158, 8096205), (195, 6560002), (237, 5397470), (390, 3280001), (395, 3238482), (474, 2698735), (790, 1619241), (1027, 1245570), (1185, 1079494), (2054, 622785), (2370, 539747), (3081, 415190), (5135, 249114), (6162, 207595), (10270, 124557), (15405, 83038), (30810, 41519)]