28196520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:587

約数の個数: 128

約数和(自身を含む): 94711680

約数和(自身を除く): 66515160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 41, 44, 55, 60, 66, 82, 88, 110, 120, 123, 132, 164, 165, 205, 220, 246, 264, 328, 330, 410, 440, 451, 492, 521, 615, 660, 820, 902, 984, 1042, 1230, 1320, 1353, 1563, 1640, 1804, 2084, 2255, 2460, 2605, 2706, 3126, 3608, 4168, 4510, 4920, 5210, 5412, 5731, 6252, 6765, 7815, 9020, 10420, 10824, 11462, 12504, 13530, 15630, 17193, 18040, 20840, 21361, 22924, 27060, 28655, 31260, 34386, 42722, 45848, 54120, 57310, 62520, 64083, 68772, 85444, 85965, 106805, 114620, 128166, 137544, 170888, 171930, 213610, 229240, 234971, 256332, 320415, 343860, 427220, 469942, 512664, 640830, 687720, 704913, 854440, 939884, 1174855, 1281660, 1409826, 1879768, 2349710, 2563320, 2819652, 3524565, 4699420, 5639304, 7049130, 9398840, 14098260, 28196520]

約数ペア:

[(1, 28196520), (2, 14098260), (3, 9398840), (4, 7049130), (5, 5639304), (6, 4699420), (8, 3524565), (10, 2819652), (11, 2563320), (12, 2349710), (15, 1879768), (20, 1409826), (22, 1281660), (24, 1174855), (30, 939884), (33, 854440), (40, 704913), (41, 687720), (44, 640830), (55, 512664), (60, 469942), (66, 427220), (82, 343860), (88, 320415), (110, 256332), (120, 234971), (123, 229240), (132, 213610), (164, 171930), (165, 170888), (205, 137544), (220, 128166), (246, 114620), (264, 106805), (328, 85965), (330, 85444), (410, 68772), (440, 64083), (451, 62520), (492, 57310), (521, 54120), (615, 45848), (660, 42722), (820, 34386), (902, 31260), (984, 28655), (1042, 27060), (1230, 22924), (1320, 21361), (1353, 20840), (1563, 18040), (1640, 17193), (1804, 15630), (2084, 13530), (2255, 12504), (2460, 11462), (2605, 10824), (2706, 10420), (3126, 9020), (3608, 7815), (4168, 6765), (4510, 6252), (4920, 5731), (5210, 5412)]