8445640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 22982400

約数和(自身を除く): 14536760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 139, 140, 155, 196, 217, 245, 248, 278, 280, 310, 392, 434, 490, 556, 620, 695, 868, 973, 980, 1085, 1112, 1240, 1390, 1519, 1736, 1946, 1960, 2170, 2780, 3038, 3892, 4309, 4340, 4865, 5560, 6076, 6811, 7595, 7784, 8618, 8680, 9730, 12152, 13622, 15190, 17236, 19460, 21545, 27244, 30163, 30380, 34055, 34472, 38920, 43090, 54488, 60326, 60760, 68110, 86180, 120652, 136220, 150815, 172360, 211141, 241304, 272440, 301630, 422282, 603260, 844564, 1055705, 1206520, 1689128, 2111410, 4222820, 8445640]

約数ペア:

[(1, 8445640), (2, 4222820), (4, 2111410), (5, 1689128), (7, 1206520), (8, 1055705), (10, 844564), (14, 603260), (20, 422282), (28, 301630), (31, 272440), (35, 241304), (40, 211141), (49, 172360), (56, 150815), (62, 136220), (70, 120652), (98, 86180), (124, 68110), (139, 60760), (140, 60326), (155, 54488), (196, 43090), (217, 38920), (245, 34472), (248, 34055), (278, 30380), (280, 30163), (310, 27244), (392, 21545), (434, 19460), (490, 17236), (556, 15190), (620, 13622), (695, 12152), (868, 9730), (973, 8680), (980, 8618), (1085, 7784), (1112, 7595), (1240, 6811), (1390, 6076), (1519, 5560), (1736, 4865), (1946, 4340), (1960, 4309), (2170, 3892), (2780, 3038)]