157698560

素因数分解:

$2^9\times 5^1\times {\mathrm{229}}^1\times {\mathrm{269}}^1$

素因数の和:521

約数の個数: 80

約数和(自身を含む): 381169800

約数和(自身を除く): 223471240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 229, 256, 269, 320, 458, 512, 538, 640, 916, 1076, 1145, 1280, 1345, 1832, 2152, 2290, 2560, 2690, 3664, 4304, 4580, 5380, 7328, 8608, 9160, 10760, 14656, 17216, 18320, 21520, 29312, 34432, 36640, 43040, 58624, 61601, 68864, 73280, 86080, 117248, 123202, 137728, 146560, 172160, 246404, 293120, 308005, 344320, 492808, 586240, 616010, 688640, 985616, 1232020, 1971232, 2464040, 3942464, 4928080, 7884928, 9856160, 15769856, 19712320, 31539712, 39424640, 78849280, 157698560]

約数ペア:

[(1, 157698560), (2, 78849280), (4, 39424640), (5, 31539712), (8, 19712320), (10, 15769856), (16, 9856160), (20, 7884928), (32, 4928080), (40, 3942464), (64, 2464040), (80, 1971232), (128, 1232020), (160, 985616), (229, 688640), (256, 616010), (269, 586240), (320, 492808), (458, 344320), (512, 308005), (538, 293120), (640, 246404), (916, 172160), (1076, 146560), (1145, 137728), (1280, 123202), (1345, 117248), (1832, 86080), (2152, 73280), (2290, 68864), (2560, 61601), (2690, 58624), (3664, 43040), (4304, 36640), (4580, 34432), (5380, 29312), (7328, 21520), (8608, 18320), (9160, 17216), (10760, 14656)]