311939910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20269}}^1$

素因数の和:20307

約数の個数: 80

約数和(自身を含む): 882961200

約数和(自身を除く): 571021290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 270, 285, 342, 405, 513, 570, 810, 855, 1026, 1539, 1710, 2565, 3078, 5130, 7695, 15390, 20269, 40538, 60807, 101345, 121614, 182421, 202690, 304035, 364842, 385111, 547263, 608070, 770222, 912105, 1094526, 1155333, 1641789, 1824210, 1925555, 2310666, 2736315, 3283578, 3465999, 3851110, 5472630, 5776665, 6931998, 8208945, 10397997, 11553330, 16417890, 17329995, 20795994, 31193991, 34659990, 51989985, 62387982, 103979970, 155969955, 311939910]

約数ペア:

[(1, 311939910), (2, 155969955), (3, 103979970), (5, 62387982), (6, 51989985), (9, 34659990), (10, 31193991), (15, 20795994), (18, 17329995), (19, 16417890), (27, 11553330), (30, 10397997), (38, 8208945), (45, 6931998), (54, 5776665), (57, 5472630), (81, 3851110), (90, 3465999), (95, 3283578), (114, 2736315), (135, 2310666), (162, 1925555), (171, 1824210), (190, 1641789), (270, 1155333), (285, 1094526), (342, 912105), (405, 770222), (513, 608070), (570, 547263), (810, 385111), (855, 364842), (1026, 304035), (1539, 202690), (1710, 182421), (2565, 121614), (3078, 101345), (5130, 60807), (7695, 40538), (15390, 20269)]