72421320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 226281600

約数和(自身を除く): 153860280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 59, 60, 106, 118, 120, 159, 177, 193, 212, 236, 265, 295, 318, 354, 386, 424, 472, 530, 579, 590, 636, 708, 772, 795, 885, 965, 1060, 1158, 1180, 1272, 1416, 1544, 1590, 1770, 1930, 2120, 2316, 2360, 2895, 3127, 3180, 3540, 3860, 4632, 5790, 6254, 6360, 7080, 7720, 9381, 10229, 11387, 11580, 12508, 15635, 18762, 20458, 22774, 23160, 25016, 30687, 31270, 34161, 37524, 40916, 45548, 46905, 51145, 56935, 61374, 62540, 68322, 75048, 81832, 91096, 93810, 102290, 113870, 122748, 125080, 136644, 153435, 170805, 187620, 204580, 227740, 245496, 273288, 306870, 341610, 375240, 409160, 455480, 603511, 613740, 683220, 1207022, 1227480, 1366440, 1810533, 2414044, 3017555, 3621066, 4828088, 6035110, 7242132, 9052665, 12070220, 14484264, 18105330, 24140440, 36210660, 72421320]

約数ペア:

[(1, 72421320), (2, 36210660), (3, 24140440), (4, 18105330), (5, 14484264), (6, 12070220), (8, 9052665), (10, 7242132), (12, 6035110), (15, 4828088), (20, 3621066), (24, 3017555), (30, 2414044), (40, 1810533), (53, 1366440), (59, 1227480), (60, 1207022), (106, 683220), (118, 613740), (120, 603511), (159, 455480), (177, 409160), (193, 375240), (212, 341610), (236, 306870), (265, 273288), (295, 245496), (318, 227740), (354, 204580), (386, 187620), (424, 170805), (472, 153435), (530, 136644), (579, 125080), (590, 122748), (636, 113870), (708, 102290), (772, 93810), (795, 91096), (885, 81832), (965, 75048), (1060, 68322), (1158, 62540), (1180, 61374), (1272, 56935), (1416, 51145), (1544, 46905), (1590, 45548), (1770, 40916), (1930, 37524), (2120, 34161), (2316, 31270), (2360, 30687), (2895, 25016), (3127, 23160), (3180, 22774), (3540, 20458), (3860, 18762), (4632, 15635), (5790, 12508), (6254, 11580), (6360, 11387), (7080, 10229), (7720, 9381)]