168388280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{593}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 393465600

約数和(自身を除く): 225077320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 229, 248, 310, 458, 593, 620, 916, 1145, 1186, 1240, 1832, 2290, 2372, 2965, 4580, 4744, 5930, 7099, 9160, 11860, 14198, 18383, 23720, 28396, 35495, 36766, 56792, 70990, 73532, 91915, 135797, 141980, 147064, 183830, 271594, 283960, 367660, 543188, 678985, 735320, 1086376, 1357970, 2715940, 4209707, 5431880, 8419414, 16838828, 21048535, 33677656, 42097070, 84194140, 168388280]

約数ペア:

[(1, 168388280), (2, 84194140), (4, 42097070), (5, 33677656), (8, 21048535), (10, 16838828), (20, 8419414), (31, 5431880), (40, 4209707), (62, 2715940), (124, 1357970), (155, 1086376), (229, 735320), (248, 678985), (310, 543188), (458, 367660), (593, 283960), (620, 271594), (916, 183830), (1145, 147064), (1186, 141980), (1240, 135797), (1832, 91915), (2290, 73532), (2372, 70990), (2965, 56792), (4580, 36766), (4744, 35495), (5930, 28396), (7099, 23720), (9160, 18383), (11860, 14198)]