149880320

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:611

約数の個数: 80

約数和(自身を含む): 362976768

約数和(自身を除く): 213096448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 461, 508, 512, 635, 640, 922, 1016, 1270, 1280, 1844, 2032, 2305, 2540, 2560, 3688, 4064, 4610, 5080, 7376, 8128, 9220, 10160, 14752, 16256, 18440, 20320, 29504, 32512, 36880, 40640, 58547, 59008, 65024, 73760, 81280, 117094, 118016, 147520, 162560, 234188, 236032, 292735, 295040, 325120, 468376, 585470, 590080, 936752, 1170940, 1180160, 1873504, 2341880, 3747008, 4683760, 7494016, 9367520, 14988032, 18735040, 29976064, 37470080, 74940160, 149880320]

約数ペア:

[(1, 149880320), (2, 74940160), (4, 37470080), (5, 29976064), (8, 18735040), (10, 14988032), (16, 9367520), (20, 7494016), (32, 4683760), (40, 3747008), (64, 2341880), (80, 1873504), (127, 1180160), (128, 1170940), (160, 936752), (254, 590080), (256, 585470), (320, 468376), (461, 325120), (508, 295040), (512, 292735), (635, 236032), (640, 234188), (922, 162560), (1016, 147520), (1270, 118016), (1280, 117094), (1844, 81280), (2032, 73760), (2305, 65024), (2540, 59008), (2560, 58547), (3688, 40640), (4064, 36880), (4610, 32512), (5080, 29504), (7376, 20320), (8128, 18440), (9220, 16256), (10160, 14752)]