215022420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2851}}^1$

素因数の和:3285

約数の個数: 72

約数和(自身を含む): 654020640

約数和(自身を除く): 438998220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 419, 838, 1257, 1676, 2095, 2514, 2851, 3771, 4190, 5028, 5702, 6285, 7542, 8380, 8553, 11404, 12570, 14255, 15084, 17106, 18855, 25140, 25659, 28510, 34212, 37710, 42765, 51318, 57020, 75420, 85530, 102636, 128295, 171060, 256590, 513180, 1194569, 2389138, 3583707, 4778276, 5972845, 7167414, 10751121, 11945690, 14334828, 17918535, 21502242, 23891380, 35837070, 43004484, 53755605, 71674140, 107511210, 215022420]

約数ペア:

[(1, 215022420), (2, 107511210), (3, 71674140), (4, 53755605), (5, 43004484), (6, 35837070), (9, 23891380), (10, 21502242), (12, 17918535), (15, 14334828), (18, 11945690), (20, 10751121), (30, 7167414), (36, 5972845), (45, 4778276), (60, 3583707), (90, 2389138), (180, 1194569), (419, 513180), (838, 256590), (1257, 171060), (1676, 128295), (2095, 102636), (2514, 85530), (2851, 75420), (3771, 57020), (4190, 51318), (5028, 42765), (5702, 37710), (6285, 34212), (7542, 28510), (8380, 25659), (8553, 25140), (11404, 18855), (12570, 17106), (14255, 15084)]