81129924

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 234823680

約数和(自身を除く): 153693756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 27, 36, 38, 46, 54, 57, 69, 76, 81, 92, 108, 114, 138, 162, 171, 191, 207, 228, 243, 276, 324, 342, 382, 414, 437, 486, 513, 573, 621, 684, 764, 828, 874, 972, 1026, 1146, 1242, 1311, 1539, 1719, 1748, 1863, 2052, 2292, 2484, 2622, 3078, 3438, 3629, 3726, 3933, 4393, 4617, 5157, 5244, 5589, 6156, 6876, 7258, 7452, 7866, 8786, 9234, 10314, 10887, 11178, 11799, 13179, 14516, 15471, 15732, 17572, 18468, 20628, 21774, 22356, 23598, 26358, 30942, 32661, 35397, 39537, 43548, 46413, 47196, 52716, 61884, 65322, 70794, 79074, 83467, 92826, 97983, 106191, 118611, 130644, 141588, 158148, 166934, 185652, 195966, 212382, 237222, 250401, 293949, 333868, 355833, 391932, 424764, 474444, 500802, 587898, 711666, 751203, 881847, 1001604, 1067499, 1175796, 1423332, 1502406, 1763694, 2134998, 2253609, 3004812, 3527388, 4269996, 4507218, 6760827, 9014436, 13521654, 20282481, 27043308, 40564962, 81129924]

約数ペア:

[(1, 81129924), (2, 40564962), (3, 27043308), (4, 20282481), (6, 13521654), (9, 9014436), (12, 6760827), (18, 4507218), (19, 4269996), (23, 3527388), (27, 3004812), (36, 2253609), (38, 2134998), (46, 1763694), (54, 1502406), (57, 1423332), (69, 1175796), (76, 1067499), (81, 1001604), (92, 881847), (108, 751203), (114, 711666), (138, 587898), (162, 500802), (171, 474444), (191, 424764), (207, 391932), (228, 355833), (243, 333868), (276, 293949), (324, 250401), (342, 237222), (382, 212382), (414, 195966), (437, 185652), (486, 166934), (513, 158148), (573, 141588), (621, 130644), (684, 118611), (764, 106191), (828, 97983), (874, 92826), (972, 83467), (1026, 79074), (1146, 70794), (1242, 65322), (1311, 61884), (1539, 52716), (1719, 47196), (1748, 46413), (1863, 43548), (2052, 39537), (2292, 35397), (2484, 32661), (2622, 30942), (3078, 26358), (3438, 23598), (3629, 22356), (3726, 21774), (3933, 20628), (4393, 18468), (4617, 17572), (5157, 15732), (5244, 15471), (5589, 14516), (6156, 13179), (6876, 11799), (7258, 11178), (7452, 10887), (7866, 10314), (8786, 9234)]