90470280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 282268800

約数和(自身を除く): 191798520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 89, 120, 129, 172, 178, 197, 215, 258, 267, 344, 356, 394, 430, 445, 516, 534, 591, 645, 712, 788, 860, 890, 985, 1032, 1068, 1182, 1290, 1335, 1576, 1720, 1780, 1970, 2136, 2364, 2580, 2670, 2955, 3560, 3827, 3940, 4728, 5160, 5340, 5910, 7654, 7880, 8471, 10680, 11481, 11820, 15308, 16942, 17533, 19135, 22962, 23640, 25413, 30616, 33884, 35066, 38270, 42355, 45924, 50826, 52599, 57405, 67768, 70132, 76540, 84710, 87665, 91848, 101652, 105198, 114810, 127065, 140264, 153080, 169420, 175330, 203304, 210396, 229620, 254130, 262995, 338840, 350660, 420792, 459240, 508260, 525990, 701320, 753919, 1016520, 1051980, 1507838, 2103960, 2261757, 3015676, 3769595, 4523514, 6031352, 7539190, 9047028, 11308785, 15078380, 18094056, 22617570, 30156760, 45235140, 90470280]

約数ペア:

[(1, 90470280), (2, 45235140), (3, 30156760), (4, 22617570), (5, 18094056), (6, 15078380), (8, 11308785), (10, 9047028), (12, 7539190), (15, 6031352), (20, 4523514), (24, 3769595), (30, 3015676), (40, 2261757), (43, 2103960), (60, 1507838), (86, 1051980), (89, 1016520), (120, 753919), (129, 701320), (172, 525990), (178, 508260), (197, 459240), (215, 420792), (258, 350660), (267, 338840), (344, 262995), (356, 254130), (394, 229620), (430, 210396), (445, 203304), (516, 175330), (534, 169420), (591, 153080), (645, 140264), (712, 127065), (788, 114810), (860, 105198), (890, 101652), (985, 91848), (1032, 87665), (1068, 84710), (1182, 76540), (1290, 70132), (1335, 67768), (1576, 57405), (1720, 52599), (1780, 50826), (1970, 45924), (2136, 42355), (2364, 38270), (2580, 35066), (2670, 33884), (2955, 30616), (3560, 25413), (3827, 23640), (3940, 22962), (4728, 19135), (5160, 17533), (5340, 16942), (5910, 15308), (7654, 11820), (7880, 11481), (8471, 10680)]