319980320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{647}}^1$

素因数の和:954

約数の個数: 96

約数和(自身を含む): 828890496

約数和(自身を除く): 508910176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 281, 352, 440, 562, 647, 880, 1124, 1294, 1405, 1760, 2248, 2588, 2810, 3091, 3235, 4496, 5176, 5620, 6182, 6470, 7117, 8992, 10352, 11240, 12364, 12940, 14234, 15455, 20704, 22480, 24728, 25880, 28468, 30910, 35585, 44960, 49456, 51760, 56936, 61820, 71170, 98912, 103520, 113872, 123640, 142340, 181807, 227744, 247280, 284680, 363614, 494560, 569360, 727228, 909035, 1138720, 1454456, 1818070, 1999877, 2908912, 3636140, 3999754, 5817824, 7272280, 7999508, 9999385, 14544560, 15999016, 19998770, 29089120, 31998032, 39997540, 63996064, 79995080, 159990160, 319980320]

約数ペア:

[(1, 319980320), (2, 159990160), (4, 79995080), (5, 63996064), (8, 39997540), (10, 31998032), (11, 29089120), (16, 19998770), (20, 15999016), (22, 14544560), (32, 9999385), (40, 7999508), (44, 7272280), (55, 5817824), (80, 3999754), (88, 3636140), (110, 2908912), (160, 1999877), (176, 1818070), (220, 1454456), (281, 1138720), (352, 909035), (440, 727228), (562, 569360), (647, 494560), (880, 363614), (1124, 284680), (1294, 247280), (1405, 227744), (1760, 181807), (2248, 142340), (2588, 123640), (2810, 113872), (3091, 103520), (3235, 98912), (4496, 71170), (5176, 61820), (5620, 56936), (6182, 51760), (6470, 49456), (7117, 44960), (8992, 35585), (10352, 30910), (11240, 28468), (12364, 25880), (12940, 24728), (14234, 22480), (15455, 20704)]