18429840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:222

約数の個数: 240

約数和(自身を含む): 73120320

約数和(自身を除く): 54690480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 144, 156, 165, 176, 179, 180, 195, 198, 208, 220, 234, 240, 260, 264, 286, 312, 330, 358, 360, 390, 396, 429, 440, 468, 495, 520, 528, 537, 572, 585, 624, 660, 715, 716, 720, 780, 792, 858, 880, 895, 936, 990, 1040, 1074, 1144, 1170, 1287, 1320, 1430, 1432, 1560, 1584, 1611, 1716, 1790, 1872, 1969, 1980, 2145, 2148, 2288, 2327, 2340, 2574, 2640, 2685, 2860, 2864, 3120, 3222, 3432, 3580, 3938, 3960, 4290, 4296, 4654, 4680, 5148, 5370, 5720, 5907, 6435, 6444, 6864, 6981, 7160, 7876, 7920, 8055, 8580, 8592, 9308, 9360, 9845, 10296, 10740, 11440, 11635, 11814, 12870, 12888, 13962, 14320, 15752, 16110, 17160, 17721, 18616, 19690, 20592, 20943, 21480, 23270, 23628, 25597, 25740, 25776, 27924, 29535, 31504, 32220, 34320, 34905, 35442, 37232, 39380, 41886, 42960, 46540, 47256, 51194, 51480, 55848, 59070, 64440, 69810, 70884, 76791, 78760, 83772, 88605, 93080, 94512, 102388, 102960, 104715, 111696, 118140, 127985, 128880, 139620, 141768, 153582, 157520, 167544, 177210, 186160, 204776, 209430, 230373, 236280, 255970, 279240, 283536, 307164, 335088, 354420, 383955, 409552, 418860, 460746, 472560, 511940, 558480, 614328, 708840, 767910, 837720, 921492, 1023880, 1151865, 1228656, 1417680, 1535820, 1675440, 1842984, 2047760, 2303730, 3071640, 3685968, 4607460, 6143280, 9214920, 18429840]

約数ペア:

[(1, 18429840), (2, 9214920), (3, 6143280), (4, 4607460), (5, 3685968), (6, 3071640), (8, 2303730), (9, 2047760), (10, 1842984), (11, 1675440), (12, 1535820), (13, 1417680), (15, 1228656), (16, 1151865), (18, 1023880), (20, 921492), (22, 837720), (24, 767910), (26, 708840), (30, 614328), (33, 558480), (36, 511940), (39, 472560), (40, 460746), (44, 418860), (45, 409552), (48, 383955), (52, 354420), (55, 335088), (60, 307164), (65, 283536), (66, 279240), (72, 255970), (78, 236280), (80, 230373), (88, 209430), (90, 204776), (99, 186160), (104, 177210), (110, 167544), (117, 157520), (120, 153582), (130, 141768), (132, 139620), (143, 128880), (144, 127985), (156, 118140), (165, 111696), (176, 104715), (179, 102960), (180, 102388), (195, 94512), (198, 93080), (208, 88605), (220, 83772), (234, 78760), (240, 76791), (260, 70884), (264, 69810), (286, 64440), (312, 59070), (330, 55848), (358, 51480), (360, 51194), (390, 47256), (396, 46540), (429, 42960), (440, 41886), (468, 39380), (495, 37232), (520, 35442), (528, 34905), (537, 34320), (572, 32220), (585, 31504), (624, 29535), (660, 27924), (715, 25776), (716, 25740), (720, 25597), (780, 23628), (792, 23270), (858, 21480), (880, 20943), (895, 20592), (936, 19690), (990, 18616), (1040, 17721), (1074, 17160), (1144, 16110), (1170, 15752), (1287, 14320), (1320, 13962), (1430, 12888), (1432, 12870), (1560, 11814), (1584, 11635), (1611, 11440), (1716, 10740), (1790, 10296), (1872, 9845), (1969, 9360), (1980, 9308), (2145, 8592), (2148, 8580), (2288, 8055), (2327, 7920), (2340, 7876), (2574, 7160), (2640, 6981), (2685, 6864), (2860, 6444), (2864, 6435), (3120, 5907), (3222, 5720), (3432, 5370), (3580, 5148), (3938, 4680), (3960, 4654), (4290, 4296)]