128837720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 342144000

約数和(自身を除く): 213306280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 29, 40, 44, 46, 55, 58, 88, 92, 110, 115, 116, 145, 184, 220, 230, 232, 253, 290, 319, 439, 440, 460, 506, 580, 638, 667, 878, 920, 1012, 1160, 1265, 1276, 1334, 1595, 1756, 2024, 2195, 2530, 2552, 2668, 3190, 3335, 3512, 4390, 4829, 5060, 5336, 6380, 6670, 7337, 8780, 9658, 10097, 10120, 12731, 12760, 13340, 14674, 17560, 19316, 20194, 24145, 25462, 26680, 29348, 36685, 38632, 40388, 48290, 50485, 50924, 58696, 63655, 73370, 80776, 96580, 100970, 101848, 111067, 127310, 140041, 146740, 193160, 201940, 222134, 254620, 280082, 292813, 293480, 403880, 444268, 509240, 555335, 560164, 585626, 700205, 888536, 1110670, 1120328, 1171252, 1400410, 1464065, 2221340, 2342504, 2800820, 2928130, 3220943, 4442680, 5601640, 5856260, 6441886, 11712520, 12883772, 16104715, 25767544, 32209430, 64418860, 128837720]

約数ペア:

[(1, 128837720), (2, 64418860), (4, 32209430), (5, 25767544), (8, 16104715), (10, 12883772), (11, 11712520), (20, 6441886), (22, 5856260), (23, 5601640), (29, 4442680), (40, 3220943), (44, 2928130), (46, 2800820), (55, 2342504), (58, 2221340), (88, 1464065), (92, 1400410), (110, 1171252), (115, 1120328), (116, 1110670), (145, 888536), (184, 700205), (220, 585626), (230, 560164), (232, 555335), (253, 509240), (290, 444268), (319, 403880), (439, 293480), (440, 292813), (460, 280082), (506, 254620), (580, 222134), (638, 201940), (667, 193160), (878, 146740), (920, 140041), (1012, 127310), (1160, 111067), (1265, 101848), (1276, 100970), (1334, 96580), (1595, 80776), (1756, 73370), (2024, 63655), (2195, 58696), (2530, 50924), (2552, 50485), (2668, 48290), (3190, 40388), (3335, 38632), (3512, 36685), (4390, 29348), (4829, 26680), (5060, 25462), (5336, 24145), (6380, 20194), (6670, 19316), (7337, 17560), (8780, 14674), (9658, 13340), (10097, 12760), (10120, 12731)]