68872050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:285

約数の個数: 144

約数和(自身を含む): 203585928

約数和(自身を除く): 134713878

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 61, 65, 75, 78, 90, 117, 122, 130, 150, 183, 193, 195, 225, 234, 305, 325, 366, 386, 390, 450, 549, 579, 585, 610, 650, 793, 915, 965, 975, 1098, 1158, 1170, 1525, 1586, 1737, 1830, 1930, 1950, 2379, 2509, 2745, 2895, 2925, 3050, 3474, 3965, 4575, 4758, 4825, 5018, 5490, 5790, 5850, 7137, 7527, 7930, 8685, 9150, 9650, 11773, 11895, 12545, 13725, 14274, 14475, 15054, 17370, 19825, 22581, 23546, 23790, 25090, 27450, 28950, 35319, 35685, 37635, 39650, 43425, 45162, 58865, 59475, 62725, 70638, 71370, 75270, 86850, 105957, 112905, 117730, 118950, 125450, 153049, 176595, 178425, 188175, 211914, 225810, 294325, 306098, 353190, 356850, 376350, 459147, 529785, 564525, 588650, 765245, 882975, 918294, 1059570, 1129050, 1377441, 1530490, 1765950, 2295735, 2648925, 2754882, 3826225, 4591470, 5297850, 6887205, 7652450, 11478675, 13774410, 22957350, 34436025, 68872050]

約数ペア:

[(1, 68872050), (2, 34436025), (3, 22957350), (5, 13774410), (6, 11478675), (9, 7652450), (10, 6887205), (13, 5297850), (15, 4591470), (18, 3826225), (25, 2754882), (26, 2648925), (30, 2295735), (39, 1765950), (45, 1530490), (50, 1377441), (61, 1129050), (65, 1059570), (75, 918294), (78, 882975), (90, 765245), (117, 588650), (122, 564525), (130, 529785), (150, 459147), (183, 376350), (193, 356850), (195, 353190), (225, 306098), (234, 294325), (305, 225810), (325, 211914), (366, 188175), (386, 178425), (390, 176595), (450, 153049), (549, 125450), (579, 118950), (585, 117730), (610, 112905), (650, 105957), (793, 86850), (915, 75270), (965, 71370), (975, 70638), (1098, 62725), (1158, 59475), (1170, 58865), (1525, 45162), (1586, 43425), (1737, 39650), (1830, 37635), (1930, 35685), (1950, 35319), (2379, 28950), (2509, 27450), (2745, 25090), (2895, 23790), (2925, 23546), (3050, 22581), (3474, 19825), (3965, 17370), (4575, 15054), (4758, 14475), (4825, 14274), (5018, 13725), (5490, 12545), (5790, 11895), (5850, 11773), (7137, 9650), (7527, 9150), (7930, 8685)]