145240960

素因数分解:

$2^7\times 5^1\times {\mathrm{229}}^1\times {\mathrm{991}}^1$

素因数の和:1239

約数の個数: 64

約数和(自身を含む): 349084800

約数和(自身を除く): 203843840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 229, 320, 458, 640, 916, 991, 1145, 1832, 1982, 2290, 3664, 3964, 4580, 4955, 7328, 7928, 9160, 9910, 14656, 15856, 18320, 19820, 29312, 31712, 36640, 39640, 63424, 73280, 79280, 126848, 146560, 158560, 226939, 317120, 453878, 634240, 907756, 1134695, 1815512, 2269390, 3631024, 4538780, 7262048, 9077560, 14524096, 18155120, 29048192, 36310240, 72620480, 145240960]

約数ペア:

[(1, 145240960), (2, 72620480), (4, 36310240), (5, 29048192), (8, 18155120), (10, 14524096), (16, 9077560), (20, 7262048), (32, 4538780), (40, 3631024), (64, 2269390), (80, 1815512), (128, 1134695), (160, 907756), (229, 634240), (320, 453878), (458, 317120), (640, 226939), (916, 158560), (991, 146560), (1145, 126848), (1832, 79280), (1982, 73280), (2290, 63424), (3664, 39640), (3964, 36640), (4580, 31712), (4955, 29312), (7328, 19820), (7928, 18320), (9160, 15856), (9910, 14656)]