15049880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 35769600

約数和(自身を除く): 20719720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 229, 248, 265, 310, 424, 458, 530, 620, 916, 1060, 1145, 1240, 1643, 1832, 2120, 2290, 3286, 4580, 6572, 7099, 8215, 9160, 12137, 13144, 14198, 16430, 24274, 28396, 32860, 35495, 48548, 56792, 60685, 65720, 70990, 97096, 121370, 141980, 242740, 283960, 376247, 485480, 752494, 1504988, 1881235, 3009976, 3762470, 7524940, 15049880]

約数ペア:

[(1, 15049880), (2, 7524940), (4, 3762470), (5, 3009976), (8, 1881235), (10, 1504988), (20, 752494), (31, 485480), (40, 376247), (53, 283960), (62, 242740), (106, 141980), (124, 121370), (155, 97096), (212, 70990), (229, 65720), (248, 60685), (265, 56792), (310, 48548), (424, 35495), (458, 32860), (530, 28396), (620, 24274), (916, 16430), (1060, 14198), (1145, 13144), (1240, 12137), (1643, 9160), (1832, 8215), (2120, 7099), (2290, 6572), (3286, 4580)]