28724010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:372

約数の個数: 128

約数和(自身を含む): 86814720

約数和(自身を除く): 58090710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 23, 30, 35, 38, 42, 46, 57, 69, 70, 95, 105, 114, 115, 133, 138, 161, 190, 210, 230, 266, 285, 313, 322, 345, 399, 437, 483, 570, 626, 665, 690, 798, 805, 874, 939, 966, 1311, 1330, 1565, 1610, 1878, 1995, 2185, 2191, 2415, 2622, 3059, 3130, 3990, 4370, 4382, 4695, 4830, 5947, 6118, 6555, 6573, 7199, 9177, 9390, 10955, 11894, 13110, 13146, 14398, 15295, 17841, 18354, 21597, 21910, 29735, 30590, 32865, 35682, 35995, 41629, 43194, 45885, 50393, 59470, 65730, 71990, 83258, 89205, 91770, 100786, 107985, 124887, 136781, 151179, 178410, 208145, 215970, 249774, 251965, 273562, 302358, 410343, 416290, 503930, 624435, 683905, 755895, 820686, 957467, 1248870, 1367810, 1511790, 1914934, 2051715, 2872401, 4103430, 4787335, 5744802, 9574670, 14362005, 28724010]

約数ペア:

[(1, 28724010), (2, 14362005), (3, 9574670), (5, 5744802), (6, 4787335), (7, 4103430), (10, 2872401), (14, 2051715), (15, 1914934), (19, 1511790), (21, 1367810), (23, 1248870), (30, 957467), (35, 820686), (38, 755895), (42, 683905), (46, 624435), (57, 503930), (69, 416290), (70, 410343), (95, 302358), (105, 273562), (114, 251965), (115, 249774), (133, 215970), (138, 208145), (161, 178410), (190, 151179), (210, 136781), (230, 124887), (266, 107985), (285, 100786), (313, 91770), (322, 89205), (345, 83258), (399, 71990), (437, 65730), (483, 59470), (570, 50393), (626, 45885), (665, 43194), (690, 41629), (798, 35995), (805, 35682), (874, 32865), (939, 30590), (966, 29735), (1311, 21910), (1330, 21597), (1565, 18354), (1610, 17841), (1878, 15295), (1995, 14398), (2185, 13146), (2191, 13110), (2415, 11894), (2622, 10955), (3059, 9390), (3130, 9177), (3990, 7199), (4370, 6573), (4382, 6555), (4695, 6118), (4830, 5947)]