81933930

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:314

約数の個数: 160

約数和(自身を含む): 245887488

約数和(自身を除く): 163953558

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 54, 62, 65, 78, 81, 90, 93, 117, 130, 135, 155, 162, 186, 195, 234, 251, 270, 279, 310, 351, 390, 403, 405, 465, 502, 558, 585, 702, 753, 806, 810, 837, 930, 1053, 1170, 1209, 1255, 1395, 1506, 1674, 1755, 2015, 2106, 2259, 2418, 2510, 2511, 2790, 3263, 3510, 3627, 3765, 4030, 4185, 4518, 5022, 5265, 6045, 6526, 6777, 7254, 7530, 7781, 8370, 9789, 10530, 10881, 11295, 12090, 12555, 13554, 15562, 16315, 18135, 19578, 20331, 21762, 22590, 23343, 25110, 29367, 32630, 32643, 33885, 36270, 38905, 40662, 46686, 48945, 54405, 58734, 65286, 67770, 70029, 77810, 88101, 97890, 101153, 101655, 108810, 116715, 140058, 146835, 163215, 176202, 202306, 203310, 210087, 233430, 264303, 293670, 303459, 326430, 350145, 420174, 440505, 505765, 528606, 606918, 630261, 700290, 881010, 910377, 1011530, 1050435, 1260522, 1321515, 1517295, 1820754, 2100870, 2643030, 2731131, 3034590, 3151305, 4551885, 5462262, 6302610, 8193393, 9103770, 13655655, 16386786, 27311310, 40966965, 81933930]

約数ペア:

[(1, 81933930), (2, 40966965), (3, 27311310), (5, 16386786), (6, 13655655), (9, 9103770), (10, 8193393), (13, 6302610), (15, 5462262), (18, 4551885), (26, 3151305), (27, 3034590), (30, 2731131), (31, 2643030), (39, 2100870), (45, 1820754), (54, 1517295), (62, 1321515), (65, 1260522), (78, 1050435), (81, 1011530), (90, 910377), (93, 881010), (117, 700290), (130, 630261), (135, 606918), (155, 528606), (162, 505765), (186, 440505), (195, 420174), (234, 350145), (251, 326430), (270, 303459), (279, 293670), (310, 264303), (351, 233430), (390, 210087), (403, 203310), (405, 202306), (465, 176202), (502, 163215), (558, 146835), (585, 140058), (702, 116715), (753, 108810), (806, 101655), (810, 101153), (837, 97890), (930, 88101), (1053, 77810), (1170, 70029), (1209, 67770), (1255, 65286), (1395, 58734), (1506, 54405), (1674, 48945), (1755, 46686), (2015, 40662), (2106, 38905), (2259, 36270), (2418, 33885), (2510, 32643), (2511, 32630), (2790, 29367), (3263, 25110), (3510, 23343), (3627, 22590), (3765, 21762), (4030, 20331), (4185, 19578), (4518, 18135), (5022, 16315), (5265, 15562), (6045, 13554), (6526, 12555), (6777, 12090), (7254, 11295), (7530, 10881), (7781, 10530), (8370, 9789)]