31497060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3947}}^1$

素因数の和:3985

約数の個数: 96

約数和(自身を含む): 106122240

約数和(自身を除く): 74625180

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, 3947, 3990, 7894, 7980, 11841, 15788, 19735, 23682, 27629, 39470, 47364, 55258, 59205, 74993, 78940, 82887, 110516, 118410, 138145, 149986, 165774, 224979, 236820, 276290, 299972, 331548, 374965, 414435, 449958, 524951, 552580, 749930, 828870, 899916, 1049902, 1124895, 1499860, 1574853, 1657740, 2099804, 2249790, 2624755, 3149706, 4499580, 5249510, 6299412, 7874265, 10499020, 15748530, 31497060]

約数ペア:

[(1, 31497060), (2, 15748530), (3, 10499020), (4, 7874265), (5, 6299412), (6, 5249510), (7, 4499580), (10, 3149706), (12, 2624755), (14, 2249790), (15, 2099804), (19, 1657740), (20, 1574853), (21, 1499860), (28, 1124895), (30, 1049902), (35, 899916), (38, 828870), (42, 749930), (57, 552580), (60, 524951), (70, 449958), (76, 414435), (84, 374965), (95, 331548), (105, 299972), (114, 276290), (133, 236820), (140, 224979), (190, 165774), (210, 149986), (228, 138145), (266, 118410), (285, 110516), (380, 82887), (399, 78940), (420, 74993), (532, 59205), (570, 55258), (665, 47364), (798, 39470), (1140, 27629), (1330, 23682), (1596, 19735), (1995, 15788), (2660, 11841), (3947, 7980), (3990, 7894)]