28020060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2768

約数の個数: 96

約数和(自身を含む): 91795200

約数和(自身を除く): 63775140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 2731, 3420, 5130, 5462, 8193, 10260, 10924, 13655, 16386, 24579, 27310, 32772, 40965, 49158, 51889, 54620, 73737, 81930, 98316, 103778, 122895, 147474, 155667, 163860, 207556, 245790, 259445, 294948, 311334, 368685, 467001, 491580, 518890, 622668, 737370, 778335, 934002, 1037780, 1401003, 1474740, 1556670, 1868004, 2335005, 2802006, 3113340, 4670010, 5604012, 7005015, 9340020, 14010030, 28020060]

約数ペア:

[(1, 28020060), (2, 14010030), (3, 9340020), (4, 7005015), (5, 5604012), (6, 4670010), (9, 3113340), (10, 2802006), (12, 2335005), (15, 1868004), (18, 1556670), (19, 1474740), (20, 1401003), (27, 1037780), (30, 934002), (36, 778335), (38, 737370), (45, 622668), (54, 518890), (57, 491580), (60, 467001), (76, 368685), (90, 311334), (95, 294948), (108, 259445), (114, 245790), (135, 207556), (171, 163860), (180, 155667), (190, 147474), (228, 122895), (270, 103778), (285, 98316), (342, 81930), (380, 73737), (513, 54620), (540, 51889), (570, 49158), (684, 40965), (855, 32772), (1026, 27310), (1140, 24579), (1710, 16386), (2052, 13655), (2565, 10924), (2731, 10260), (3420, 8193), (5130, 5462)]