938241280

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 2390008320

約数和(自身を除く): 1451767040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 173, 190, 223, 256, 304, 320, 346, 380, 446, 608, 640, 692, 760, 865, 892, 1115, 1216, 1280, 1384, 1520, 1730, 1784, 2230, 2432, 2768, 3040, 3287, 3460, 3568, 4237, 4460, 4864, 5536, 6080, 6574, 6920, 7136, 8474, 8920, 11072, 12160, 13148, 13840, 14272, 16435, 16948, 17840, 21185, 22144, 24320, 26296, 27680, 28544, 32870, 33896, 35680, 38579, 42370, 44288, 52592, 55360, 57088, 65740, 67792, 71360, 77158, 84740, 105184, 110720, 131480, 135584, 142720, 154316, 169480, 192895, 210368, 221440, 262960, 271168, 285440, 308632, 338960, 385790, 420736, 525920, 542336, 617264, 677920, 733001, 771580, 841472, 1051840, 1084672, 1234528, 1355840, 1466002, 1543160, 2103680, 2469056, 2711680, 2932004, 3086320, 3665005, 4207360, 4938112, 5423360, 5864008, 6172640, 7330010, 9876224, 11728016, 12345280, 14660020, 23456032, 24690560, 29320040, 46912064, 49381120, 58640080, 93824128, 117280160, 187648256, 234560320, 469120640, 938241280]

約数ペア:

[(1, 938241280), (2, 469120640), (4, 234560320), (5, 187648256), (8, 117280160), (10, 93824128), (16, 58640080), (19, 49381120), (20, 46912064), (32, 29320040), (38, 24690560), (40, 23456032), (64, 14660020), (76, 12345280), (80, 11728016), (95, 9876224), (128, 7330010), (152, 6172640), (160, 5864008), (173, 5423360), (190, 4938112), (223, 4207360), (256, 3665005), (304, 3086320), (320, 2932004), (346, 2711680), (380, 2469056), (446, 2103680), (608, 1543160), (640, 1466002), (692, 1355840), (760, 1234528), (865, 1084672), (892, 1051840), (1115, 841472), (1216, 771580), (1280, 733001), (1384, 677920), (1520, 617264), (1730, 542336), (1784, 525920), (2230, 420736), (2432, 385790), (2768, 338960), (3040, 308632), (3287, 285440), (3460, 271168), (3568, 262960), (4237, 221440), (4460, 210368), (4864, 192895), (5536, 169480), (6080, 154316), (6574, 142720), (6920, 135584), (7136, 131480), (8474, 110720), (8920, 105184), (11072, 84740), (12160, 77158), (13148, 71360), (13840, 67792), (14272, 65740), (16435, 57088), (16948, 55360), (17840, 52592), (21185, 44288), (22144, 42370), (24320, 38579), (26296, 35680), (27680, 33896), (28544, 32870)]