243404560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2061

約数の個数: 120

約数和(自身を含む): 679885056

約数和(自身を除く): 436480496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2003, 2170, 2480, 3038, 3472, 3920, 4006, 4340, 6076, 7595, 8012, 8680, 10015, 12152, 14021, 15190, 16024, 17360, 20030, 24304, 28042, 30380, 32048, 40060, 56084, 60760, 62093, 70105, 80120, 98147, 112168, 121520, 124186, 140210, 160240, 196294, 224336, 248372, 280420, 310465, 392588, 434651, 490735, 496744, 560840, 620930, 785176, 869302, 981470, 993488, 1121680, 1241860, 1570352, 1738604, 1962940, 2173255, 2483720, 3042557, 3477208, 3925880, 4346510, 4967440, 6085114, 6954416, 7851760, 8693020, 12170228, 15212785, 17386040, 24340456, 30425570, 34772080, 48680912, 60851140, 121702280, 243404560]

約数ペア:

[(1, 243404560), (2, 121702280), (4, 60851140), (5, 48680912), (7, 34772080), (8, 30425570), (10, 24340456), (14, 17386040), (16, 15212785), (20, 12170228), (28, 8693020), (31, 7851760), (35, 6954416), (40, 6085114), (49, 4967440), (56, 4346510), (62, 3925880), (70, 3477208), (80, 3042557), (98, 2483720), (112, 2173255), (124, 1962940), (140, 1738604), (155, 1570352), (196, 1241860), (217, 1121680), (245, 993488), (248, 981470), (280, 869302), (310, 785176), (392, 620930), (434, 560840), (490, 496744), (496, 490735), (560, 434651), (620, 392588), (784, 310465), (868, 280420), (980, 248372), (1085, 224336), (1240, 196294), (1519, 160240), (1736, 140210), (1960, 124186), (2003, 121520), (2170, 112168), (2480, 98147), (3038, 80120), (3472, 70105), (3920, 62093), (4006, 60760), (4340, 56084), (6076, 40060), (7595, 32048), (8012, 30380), (8680, 28042), (10015, 24304), (12152, 20030), (14021, 17360), (15190, 16024)]