65117180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 149778720

約数和(自身を除く): 84661540

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 311, 361, 380, 551, 580, 622, 722, 1102, 1244, 1444, 1555, 1805, 2204, 2755, 3110, 3610, 5510, 5909, 6220, 7220, 9019, 10469, 11020, 11818, 18038, 20938, 23636, 29545, 36076, 41876, 45095, 52345, 59090, 90190, 104690, 112271, 118180, 171361, 180380, 209380, 224542, 342722, 449084, 561355, 685444, 856805, 1122710, 1713610, 2245420, 3255859, 3427220, 6511718, 13023436, 16279295, 32558590, 65117180]

約数ペア:

[(1, 65117180), (2, 32558590), (4, 16279295), (5, 13023436), (10, 6511718), (19, 3427220), (20, 3255859), (29, 2245420), (38, 1713610), (58, 1122710), (76, 856805), (95, 685444), (116, 561355), (145, 449084), (190, 342722), (290, 224542), (311, 209380), (361, 180380), (380, 171361), (551, 118180), (580, 112271), (622, 104690), (722, 90190), (1102, 59090), (1244, 52345), (1444, 45095), (1555, 41876), (1805, 36076), (2204, 29545), (2755, 23636), (3110, 20938), (3610, 18038), (5510, 11818), (5909, 11020), (6220, 10469), (7220, 9019)]