287806720

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 727009920

約数和(自身を除く): 439203200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 59, 64, 74, 80, 103, 118, 128, 148, 160, 185, 206, 236, 256, 295, 296, 320, 370, 412, 472, 515, 590, 592, 640, 740, 824, 944, 1030, 1180, 1184, 1280, 1480, 1648, 1888, 2060, 2183, 2360, 2368, 2960, 3296, 3776, 3811, 4120, 4366, 4720, 4736, 5920, 6077, 6592, 7552, 7622, 8240, 8732, 9440, 9472, 10915, 11840, 12154, 13184, 15104, 15244, 16480, 17464, 18880, 19055, 21830, 23680, 24308, 26368, 30385, 30488, 32960, 34928, 37760, 38110, 43660, 47360, 48616, 60770, 60976, 65920, 69856, 75520, 76220, 87320, 97232, 121540, 121952, 131840, 139712, 152440, 174640, 194464, 224849, 243080, 243904, 279424, 304880, 349280, 388928, 449698, 486160, 487808, 558848, 609760, 698560, 777856, 899396, 972320, 975616, 1124245, 1219520, 1397120, 1555712, 1798792, 1944640, 2248490, 2439040, 2794240, 3597584, 3889280, 4496980, 4878080, 7195168, 7778560, 8993960, 14390336, 17987920, 28780672, 35975840, 57561344, 71951680, 143903360, 287806720]

約数ペア:

[(1, 287806720), (2, 143903360), (4, 71951680), (5, 57561344), (8, 35975840), (10, 28780672), (16, 17987920), (20, 14390336), (32, 8993960), (37, 7778560), (40, 7195168), (59, 4878080), (64, 4496980), (74, 3889280), (80, 3597584), (103, 2794240), (118, 2439040), (128, 2248490), (148, 1944640), (160, 1798792), (185, 1555712), (206, 1397120), (236, 1219520), (256, 1124245), (295, 975616), (296, 972320), (320, 899396), (370, 777856), (412, 698560), (472, 609760), (515, 558848), (590, 487808), (592, 486160), (640, 449698), (740, 388928), (824, 349280), (944, 304880), (1030, 279424), (1180, 243904), (1184, 243080), (1280, 224849), (1480, 194464), (1648, 174640), (1888, 152440), (2060, 139712), (2183, 131840), (2360, 121952), (2368, 121540), (2960, 97232), (3296, 87320), (3776, 76220), (3811, 75520), (4120, 69856), (4366, 65920), (4720, 60976), (4736, 60770), (5920, 48616), (6077, 47360), (6592, 43660), (7552, 38110), (7622, 37760), (8240, 34928), (8732, 32960), (9440, 30488), (9472, 30385), (10915, 26368), (11840, 24308), (12154, 23680), (13184, 21830), (15104, 19055), (15244, 18880), (16480, 17464)]