87739520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^3\times {\mathrm{103}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 232951680

約数和(自身を除く): 145212160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 103, 110, 121, 128, 160, 176, 206, 220, 242, 320, 352, 412, 440, 484, 515, 605, 640, 704, 824, 880, 968, 1030, 1133, 1210, 1331, 1408, 1648, 1760, 1936, 2060, 2266, 2420, 2662, 3296, 3520, 3872, 4120, 4532, 4840, 5324, 5665, 6592, 6655, 7040, 7744, 8240, 9064, 9680, 10648, 11330, 12463, 13184, 13310, 15488, 16480, 18128, 19360, 21296, 22660, 24926, 26620, 32960, 36256, 38720, 42592, 45320, 49852, 53240, 62315, 65920, 72512, 77440, 85184, 90640, 99704, 106480, 124630, 137093, 145024, 170368, 181280, 199408, 212960, 249260, 274186, 362560, 398816, 425920, 498520, 548372, 685465, 725120, 797632, 851840, 997040, 1096744, 1370930, 1595264, 1994080, 2193488, 2741860, 3988160, 4386976, 5483720, 7976320, 8773952, 10967440, 17547904, 21934880, 43869760, 87739520]

約数ペア:

[(1, 87739520), (2, 43869760), (4, 21934880), (5, 17547904), (8, 10967440), (10, 8773952), (11, 7976320), (16, 5483720), (20, 4386976), (22, 3988160), (32, 2741860), (40, 2193488), (44, 1994080), (55, 1595264), (64, 1370930), (80, 1096744), (88, 997040), (103, 851840), (110, 797632), (121, 725120), (128, 685465), (160, 548372), (176, 498520), (206, 425920), (220, 398816), (242, 362560), (320, 274186), (352, 249260), (412, 212960), (440, 199408), (484, 181280), (515, 170368), (605, 145024), (640, 137093), (704, 124630), (824, 106480), (880, 99704), (968, 90640), (1030, 85184), (1133, 77440), (1210, 72512), (1331, 65920), (1408, 62315), (1648, 53240), (1760, 49852), (1936, 45320), (2060, 42592), (2266, 38720), (2420, 36256), (2662, 32960), (3296, 26620), (3520, 24926), (3872, 22660), (4120, 21296), (4532, 19360), (4840, 18128), (5324, 16480), (5665, 15488), (6592, 13310), (6655, 13184), (7040, 12463), (7744, 11330), (8240, 10648), (9064, 9680)]