81786510

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{863}}^1$

素因数の和:901

約数の個数: 112

約数和(自身を含む): 237976704

約数和(自身を除く): 156190194

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 243, 270, 351, 390, 405, 486, 585, 702, 729, 810, 863, 1053, 1170, 1215, 1458, 1726, 1755, 2106, 2430, 2589, 3159, 3510, 3645, 4315, 5178, 5265, 6318, 7290, 7767, 8630, 9477, 10530, 11219, 12945, 15534, 15795, 18954, 22438, 23301, 25890, 31590, 33657, 38835, 46602, 47385, 56095, 67314, 69903, 77670, 94770, 100971, 112190, 116505, 139806, 168285, 201942, 209709, 233010, 302913, 336570, 349515, 419418, 504855, 605826, 629127, 699030, 908739, 1009710, 1048545, 1258254, 1514565, 1817478, 2097090, 2726217, 3029130, 3145635, 4543695, 5452434, 6291270, 8178651, 9087390, 13631085, 16357302, 27262170, 40893255, 81786510]

約数ペア:

[(1, 81786510), (2, 40893255), (3, 27262170), (5, 16357302), (6, 13631085), (9, 9087390), (10, 8178651), (13, 6291270), (15, 5452434), (18, 4543695), (26, 3145635), (27, 3029130), (30, 2726217), (39, 2097090), (45, 1817478), (54, 1514565), (65, 1258254), (78, 1048545), (81, 1009710), (90, 908739), (117, 699030), (130, 629127), (135, 605826), (162, 504855), (195, 419418), (234, 349515), (243, 336570), (270, 302913), (351, 233010), (390, 209709), (405, 201942), (486, 168285), (585, 139806), (702, 116505), (729, 112190), (810, 100971), (863, 94770), (1053, 77670), (1170, 69903), (1215, 67314), (1458, 56095), (1726, 47385), (1755, 46602), (2106, 38835), (2430, 33657), (2589, 31590), (3159, 25890), (3510, 23301), (3645, 22438), (4315, 18954), (5178, 15795), (5265, 15534), (6318, 12945), (7290, 11219), (7767, 10530), (8630, 9477)]