81606070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:614

約数の個数: 96

約数和(自身を含む): 192362688

約数和(自身を除く): 110756618

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 49, 65, 70, 91, 98, 115, 130, 161, 182, 230, 245, 299, 322, 455, 490, 557, 598, 637, 805, 910, 1114, 1127, 1274, 1495, 1610, 2093, 2254, 2785, 2990, 3185, 3899, 4186, 5570, 5635, 6370, 7241, 7798, 10465, 11270, 12811, 14482, 14651, 19495, 20930, 25622, 27293, 29302, 36205, 38990, 50687, 54586, 64055, 72410, 73255, 89677, 101374, 128110, 136465, 146510, 166543, 179354, 253435, 272930, 333086, 354809, 448385, 506870, 627739, 709618, 832715, 896770, 1165801, 1255478, 1665430, 1774045, 2331602, 3138695, 3548090, 5829005, 6277390, 8160607, 11658010, 16321214, 40803035, 81606070]

約数ペア:

[(1, 81606070), (2, 40803035), (5, 16321214), (7, 11658010), (10, 8160607), (13, 6277390), (14, 5829005), (23, 3548090), (26, 3138695), (35, 2331602), (46, 1774045), (49, 1665430), (65, 1255478), (70, 1165801), (91, 896770), (98, 832715), (115, 709618), (130, 627739), (161, 506870), (182, 448385), (230, 354809), (245, 333086), (299, 272930), (322, 253435), (455, 179354), (490, 166543), (557, 146510), (598, 136465), (637, 128110), (805, 101374), (910, 89677), (1114, 73255), (1127, 72410), (1274, 64055), (1495, 54586), (1610, 50687), (2093, 38990), (2254, 36205), (2785, 29302), (2990, 27293), (3185, 25622), (3899, 20930), (4186, 19495), (5570, 14651), (5635, 14482), (6370, 12811), (7241, 11270), (7798, 10465)]