31522140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:756

約数の個数: 144

約数和(自身を含む): 108544800

約数和(自身を除く): 77022660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 709, 741, 780, 855, 988, 1140, 1170, 1235, 1418, 1482, 1710, 2127, 2223, 2340, 2470, 2836, 2964, 3420, 3545, 3705, 4254, 4446, 4940, 6381, 7090, 7410, 8508, 8892, 9217, 10635, 11115, 12762, 13471, 14180, 14820, 18434, 21270, 22230, 25524, 26942, 27651, 31905, 36868, 40413, 42540, 44460, 46085, 53884, 55302, 63810, 67355, 80826, 82953, 92170, 110604, 121239, 127620, 134710, 138255, 161652, 165906, 175123, 184340, 202065, 242478, 269420, 276510, 331812, 350246, 404130, 414765, 484956, 525369, 553020, 606195, 700492, 808260, 829530, 875615, 1050738, 1212390, 1576107, 1659060, 1751230, 2101476, 2424780, 2626845, 3152214, 3502460, 5253690, 6304428, 7880535, 10507380, 15761070, 31522140]

約数ペア:

[(1, 31522140), (2, 15761070), (3, 10507380), (4, 7880535), (5, 6304428), (6, 5253690), (9, 3502460), (10, 3152214), (12, 2626845), (13, 2424780), (15, 2101476), (18, 1751230), (19, 1659060), (20, 1576107), (26, 1212390), (30, 1050738), (36, 875615), (38, 829530), (39, 808260), (45, 700492), (52, 606195), (57, 553020), (60, 525369), (65, 484956), (76, 414765), (78, 404130), (90, 350246), (95, 331812), (114, 276510), (117, 269420), (130, 242478), (156, 202065), (171, 184340), (180, 175123), (190, 165906), (195, 161652), (228, 138255), (234, 134710), (247, 127620), (260, 121239), (285, 110604), (342, 92170), (380, 82953), (390, 80826), (468, 67355), (494, 63810), (570, 55302), (585, 53884), (684, 46085), (709, 44460), (741, 42540), (780, 40413), (855, 36868), (988, 31905), (1140, 27651), (1170, 26942), (1235, 25524), (1418, 22230), (1482, 21270), (1710, 18434), (2127, 14820), (2223, 14180), (2340, 13471), (2470, 12762), (2836, 11115), (2964, 10635), (3420, 9217), (3545, 8892), (3705, 8508), (4254, 7410), (4446, 7090), (4940, 6381)]