72435440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1069}}^1$

素因数の和:1111

約数の個数: 120

約数和(自身を含む): 211757280

約数和(自身を除く): 139321840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1069, 1210, 1232, 1540, 1694, 1936, 2138, 2420, 3080, 3388, 4235, 4276, 4840, 5345, 6160, 6776, 7483, 8470, 8552, 9680, 10690, 11759, 13552, 14966, 16940, 17104, 21380, 23518, 29932, 33880, 37415, 42760, 47036, 58795, 59864, 67760, 74830, 82313, 85520, 94072, 117590, 119728, 129349, 149660, 164626, 188144, 235180, 258698, 299320, 329252, 411565, 470360, 517396, 598640, 646745, 658504, 823130, 905443, 940720, 1034792, 1293490, 1317008, 1646260, 1810886, 2069584, 2586980, 3292520, 3621772, 4527215, 5173960, 6585040, 7243544, 9054430, 10347920, 14487088, 18108860, 36217720, 72435440]

約数ペア:

[(1, 72435440), (2, 36217720), (4, 18108860), (5, 14487088), (7, 10347920), (8, 9054430), (10, 7243544), (11, 6585040), (14, 5173960), (16, 4527215), (20, 3621772), (22, 3292520), (28, 2586980), (35, 2069584), (40, 1810886), (44, 1646260), (55, 1317008), (56, 1293490), (70, 1034792), (77, 940720), (80, 905443), (88, 823130), (110, 658504), (112, 646745), (121, 598640), (140, 517396), (154, 470360), (176, 411565), (220, 329252), (242, 299320), (280, 258698), (308, 235180), (385, 188144), (440, 164626), (484, 149660), (560, 129349), (605, 119728), (616, 117590), (770, 94072), (847, 85520), (880, 82313), (968, 74830), (1069, 67760), (1210, 59864), (1232, 58795), (1540, 47036), (1694, 42760), (1936, 37415), (2138, 33880), (2420, 29932), (3080, 23518), (3388, 21380), (4235, 17104), (4276, 16940), (4840, 14966), (5345, 13552), (6160, 11759), (6776, 10690), (7483, 9680), (8470, 8552)]