74872140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2003}}^1$

素因数の和:2111

約数の個数: 96

約数和(自身を含む): 242403840

約数和(自身を除く): 167531700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 534, 623, 890, 1068, 1246, 1335, 1780, 1869, 2003, 2492, 2670, 3115, 3738, 4006, 5340, 6009, 6230, 7476, 8012, 9345, 10015, 12018, 12460, 14021, 18690, 20030, 24036, 28042, 30045, 37380, 40060, 42063, 56084, 60090, 70105, 84126, 120180, 140210, 168252, 178267, 210315, 280420, 356534, 420630, 534801, 713068, 841260, 891335, 1069602, 1247869, 1782670, 2139204, 2495738, 2674005, 3565340, 3743607, 4991476, 5348010, 6239345, 7487214, 10696020, 12478690, 14974428, 18718035, 24957380, 37436070, 74872140]

約数ペア:

[(1, 74872140), (2, 37436070), (3, 24957380), (4, 18718035), (5, 14974428), (6, 12478690), (7, 10696020), (10, 7487214), (12, 6239345), (14, 5348010), (15, 4991476), (20, 3743607), (21, 3565340), (28, 2674005), (30, 2495738), (35, 2139204), (42, 1782670), (60, 1247869), (70, 1069602), (84, 891335), (89, 841260), (105, 713068), (140, 534801), (178, 420630), (210, 356534), (267, 280420), (356, 210315), (420, 178267), (445, 168252), (534, 140210), (623, 120180), (890, 84126), (1068, 70105), (1246, 60090), (1335, 56084), (1780, 42063), (1869, 40060), (2003, 37380), (2492, 30045), (2670, 28042), (3115, 24036), (3738, 20030), (4006, 18690), (5340, 14021), (6009, 12460), (6230, 12018), (7476, 10015), (8012, 9345)]