28219620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:83

約数の個数: 216

約数和(自身を含む): 98134848

約数和(自身を除く): 69915228

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 23, 26, 30, 33, 39, 44, 46, 52, 55, 60, 65, 66, 69, 78, 92, 110, 115, 121, 130, 132, 138, 143, 156, 165, 169, 195, 220, 230, 242, 253, 260, 276, 286, 299, 330, 338, 345, 363, 390, 429, 460, 484, 506, 507, 572, 598, 605, 660, 676, 690, 715, 726, 759, 780, 845, 858, 897, 1012, 1014, 1196, 1210, 1265, 1380, 1430, 1452, 1495, 1518, 1573, 1690, 1716, 1794, 1815, 1859, 2028, 2145, 2420, 2530, 2535, 2783, 2860, 2990, 3036, 3146, 3289, 3380, 3588, 3630, 3718, 3795, 3887, 4290, 4485, 4719, 5060, 5070, 5566, 5577, 5980, 6292, 6578, 7260, 7436, 7590, 7774, 7865, 8349, 8580, 8970, 9295, 9438, 9867, 10140, 11132, 11154, 11661, 13156, 13915, 15180, 15548, 15730, 16445, 16698, 17940, 18590, 18876, 19435, 19734, 20449, 22308, 23322, 23595, 27830, 27885, 31460, 32890, 33396, 36179, 37180, 38870, 39468, 40898, 41745, 42757, 46644, 47190, 49335, 55660, 55770, 58305, 61347, 65780, 72358, 77740, 81796, 83490, 85514, 94380, 98670, 102245, 108537, 111540, 116610, 122694, 128271, 144716, 166980, 171028, 180895, 197340, 204490, 213785, 217074, 233220, 245388, 256542, 306735, 361790, 408980, 427570, 434148, 470327, 513084, 542685, 613470, 641355, 723580, 855140, 940654, 1085370, 1226940, 1282710, 1410981, 1881308, 2170740, 2351635, 2565420, 2821962, 4703270, 5643924, 7054905, 9406540, 14109810, 28219620]

約数ペア:

[(1, 28219620), (2, 14109810), (3, 9406540), (4, 7054905), (5, 5643924), (6, 4703270), (10, 2821962), (11, 2565420), (12, 2351635), (13, 2170740), (15, 1881308), (20, 1410981), (22, 1282710), (23, 1226940), (26, 1085370), (30, 940654), (33, 855140), (39, 723580), (44, 641355), (46, 613470), (52, 542685), (55, 513084), (60, 470327), (65, 434148), (66, 427570), (69, 408980), (78, 361790), (92, 306735), (110, 256542), (115, 245388), (121, 233220), (130, 217074), (132, 213785), (138, 204490), (143, 197340), (156, 180895), (165, 171028), (169, 166980), (195, 144716), (220, 128271), (230, 122694), (242, 116610), (253, 111540), (260, 108537), (276, 102245), (286, 98670), (299, 94380), (330, 85514), (338, 83490), (345, 81796), (363, 77740), (390, 72358), (429, 65780), (460, 61347), (484, 58305), (506, 55770), (507, 55660), (572, 49335), (598, 47190), (605, 46644), (660, 42757), (676, 41745), (690, 40898), (715, 39468), (726, 38870), (759, 37180), (780, 36179), (845, 33396), (858, 32890), (897, 31460), (1012, 27885), (1014, 27830), (1196, 23595), (1210, 23322), (1265, 22308), (1380, 20449), (1430, 19734), (1452, 19435), (1495, 18876), (1518, 18590), (1573, 17940), (1690, 16698), (1716, 16445), (1794, 15730), (1815, 15548), (1859, 15180), (2028, 13915), (2145, 13156), (2420, 11661), (2530, 11154), (2535, 11132), (2783, 10140), (2860, 9867), (2990, 9438), (3036, 9295), (3146, 8970), (3289, 8580), (3380, 8349), (3588, 7865), (3630, 7774), (3718, 7590), (3795, 7436), (3887, 7260), (4290, 6578), (4485, 6292), (4719, 5980), (5060, 5577), (5070, 5566)]