30040520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 75254400

約数和(自身を除く): 45213880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 47, 58, 76, 94, 95, 116, 145, 152, 188, 190, 232, 235, 290, 376, 380, 470, 551, 580, 760, 841, 893, 940, 1102, 1160, 1363, 1682, 1786, 1880, 2204, 2726, 2755, 3364, 3572, 4205, 4408, 4465, 5452, 5510, 6728, 6815, 7144, 8410, 8930, 10904, 11020, 13630, 15979, 16820, 17860, 22040, 25897, 27260, 31958, 33640, 35720, 39527, 51794, 54520, 63916, 79054, 79895, 103588, 127832, 129485, 158108, 159790, 197635, 207176, 258970, 316216, 319580, 395270, 517940, 639160, 751013, 790540, 1035880, 1502026, 1581080, 3004052, 3755065, 6008104, 7510130, 15020260, 30040520]

約数ペア:

[(1, 30040520), (2, 15020260), (4, 7510130), (5, 6008104), (8, 3755065), (10, 3004052), (19, 1581080), (20, 1502026), (29, 1035880), (38, 790540), (40, 751013), (47, 639160), (58, 517940), (76, 395270), (94, 319580), (95, 316216), (116, 258970), (145, 207176), (152, 197635), (188, 159790), (190, 158108), (232, 129485), (235, 127832), (290, 103588), (376, 79895), (380, 79054), (470, 63916), (551, 54520), (580, 51794), (760, 39527), (841, 35720), (893, 33640), (940, 31958), (1102, 27260), (1160, 25897), (1363, 22040), (1682, 17860), (1786, 16820), (1880, 15979), (2204, 13630), (2726, 11020), (2755, 10904), (3364, 8930), (3572, 8410), (4205, 7144), (4408, 6815), (4465, 6728), (5452, 5510)]