30501520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:309

約数の個数: 120

約数和(自身を含む): 85494528

約数和(自身を除く): 54993008

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, 251, 280, 310, 392, 434, 490, 496, 502, 560, 620, 784, 868, 980, 1004, 1085, 1240, 1255, 1519, 1736, 1757, 1960, 2008, 2170, 2480, 2510, 3038, 3472, 3514, 3920, 4016, 4340, 5020, 6076, 7028, 7595, 7781, 8680, 8785, 10040, 12152, 12299, 14056, 15190, 15562, 17360, 17570, 20080, 24304, 24598, 28112, 30380, 31124, 35140, 38905, 49196, 54467, 60760, 61495, 62248, 70280, 77810, 98392, 108934, 121520, 122990, 124496, 140560, 155620, 196784, 217868, 245980, 272335, 311240, 381269, 435736, 491960, 544670, 622480, 762538, 871472, 983920, 1089340, 1525076, 1906345, 2178680, 3050152, 3812690, 4357360, 6100304, 7625380, 15250760, 30501520]

約数ペア:

[(1, 30501520), (2, 15250760), (4, 7625380), (5, 6100304), (7, 4357360), (8, 3812690), (10, 3050152), (14, 2178680), (16, 1906345), (20, 1525076), (28, 1089340), (31, 983920), (35, 871472), (40, 762538), (49, 622480), (56, 544670), (62, 491960), (70, 435736), (80, 381269), (98, 311240), (112, 272335), (124, 245980), (140, 217868), (155, 196784), (196, 155620), (217, 140560), (245, 124496), (248, 122990), (251, 121520), (280, 108934), (310, 98392), (392, 77810), (434, 70280), (490, 62248), (496, 61495), (502, 60760), (560, 54467), (620, 49196), (784, 38905), (868, 35140), (980, 31124), (1004, 30380), (1085, 28112), (1240, 24598), (1255, 24304), (1519, 20080), (1736, 17570), (1757, 17360), (1960, 15562), (2008, 15190), (2170, 14056), (2480, 12299), (2510, 12152), (3038, 10040), (3472, 8785), (3514, 8680), (3920, 7781), (4016, 7595), (4340, 7028), (5020, 6076)]