81761190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2801}}^1$

素因数の和:2957

約数の個数: 64

約数和(自身を含む): 225953280

約数和(自身を除く): 144192090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 139, 210, 278, 417, 695, 834, 973, 1390, 1946, 2085, 2801, 2919, 4170, 4865, 5602, 5838, 8403, 9730, 14005, 14595, 16806, 19607, 28010, 29190, 39214, 42015, 58821, 84030, 98035, 117642, 196070, 294105, 389339, 588210, 778678, 1168017, 1946695, 2336034, 2725373, 3893390, 5450746, 5840085, 8176119, 11680170, 13626865, 16352238, 27253730, 40880595, 81761190]

約数ペア:

[(1, 81761190), (2, 40880595), (3, 27253730), (5, 16352238), (6, 13626865), (7, 11680170), (10, 8176119), (14, 5840085), (15, 5450746), (21, 3893390), (30, 2725373), (35, 2336034), (42, 1946695), (70, 1168017), (105, 778678), (139, 588210), (210, 389339), (278, 294105), (417, 196070), (695, 117642), (834, 98035), (973, 84030), (1390, 58821), (1946, 42015), (2085, 39214), (2801, 29190), (2919, 28010), (4170, 19607), (4865, 16806), (5602, 14595), (5838, 14005), (8403, 9730)]