638467488

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 288

約数和(自身を含む): 2073859200

約数和(自身を除く): 1435391712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 27, 32, 36, 38, 46, 48, 54, 57, 69, 72, 76, 89, 92, 96, 108, 114, 138, 144, 152, 171, 178, 184, 207, 216, 228, 267, 276, 288, 304, 342, 356, 361, 368, 414, 432, 437, 456, 513, 534, 552, 608, 621, 684, 712, 722, 736, 801, 828, 864, 874, 912, 1026, 1068, 1083, 1104, 1242, 1311, 1368, 1424, 1444, 1602, 1656, 1691, 1748, 1824, 2047, 2052, 2136, 2166, 2208, 2403, 2484, 2622, 2736, 2848, 2888, 3204, 3249, 3312, 3382, 3496, 3933, 4094, 4104, 4272, 4332, 4806, 4968, 5073, 5244, 5472, 5776, 6141, 6408, 6498, 6624, 6764, 6992, 7866, 8188, 8208, 8303, 8544, 8664, 9612, 9747, 9936, 10146, 10488, 11552, 11799, 12282, 12816, 12996, 13528, 13984, 15219, 15732, 16376, 16416, 16606, 17328, 18423, 19224, 19494, 19872, 20292, 20976, 23598, 24564, 24909, 25632, 25992, 27056, 30438, 31464, 32129, 32752, 33212, 34656, 36846, 38448, 38893, 38988, 40584, 41952, 45657, 47196, 49128, 49818, 51984, 54112, 55269, 60876, 62928, 64258, 65504, 66424, 73692, 74727, 76896, 77786, 77976, 81168, 91314, 94392, 96387, 98256, 99636, 103968, 110538, 116679, 121752, 125856, 128516, 132848, 147384, 149454, 155572, 155952, 162336, 182628, 188784, 192774, 196512, 199272, 221076, 224181, 233358, 243504, 257032, 265696, 289161, 294768, 298908, 311144, 311904, 350037, 365256, 377568, 385548, 398544, 442152, 448362, 466716, 487008, 514064, 578322, 589536, 597816, 622288, 700074, 730512, 738967, 771096, 797088, 867483, 884304, 896724, 933432, 1028128, 1050111, 1156644, 1195632, 1244576, 1400148, 1461024, 1477934, 1542192, 1734966, 1768608, 1793448, 1866864, 2100222, 2216901, 2313288, 2391264, 2800296, 2955868, 3084384, 3469932, 3586896, 3733728, 4200444, 4433802, 4626576, 5600592, 5911736, 6650703, 6939864, 7173792, 8400888, 8867604, 9253152, 11201184, 11823472, 13301406, 13879728, 16801776, 17735208, 19952109, 23646944, 26602812, 27759456, 33603552, 35470416, 39904218, 53205624, 70940832, 79808436, 106411248, 159616872, 212822496, 319233744, 638467488]

約数ペア:

[(1, 638467488), (2, 319233744), (3, 212822496), (4, 159616872), (6, 106411248), (8, 79808436), (9, 70940832), (12, 53205624), (16, 39904218), (18, 35470416), (19, 33603552), (23, 27759456), (24, 26602812), (27, 23646944), (32, 19952109), (36, 17735208), (38, 16801776), (46, 13879728), (48, 13301406), (54, 11823472), (57, 11201184), (69, 9253152), (72, 8867604), (76, 8400888), (89, 7173792), (92, 6939864), (96, 6650703), (108, 5911736), (114, 5600592), (138, 4626576), (144, 4433802), (152, 4200444), (171, 3733728), (178, 3586896), (184, 3469932), (207, 3084384), (216, 2955868), (228, 2800296), (267, 2391264), (276, 2313288), (288, 2216901), (304, 2100222), (342, 1866864), (356, 1793448), (361, 1768608), (368, 1734966), (414, 1542192), (432, 1477934), (437, 1461024), (456, 1400148), (513, 1244576), (534, 1195632), (552, 1156644), (608, 1050111), (621, 1028128), (684, 933432), (712, 896724), (722, 884304), (736, 867483), (801, 797088), (828, 771096), (864, 738967), (874, 730512), (912, 700074), (1026, 622288), (1068, 597816), (1083, 589536), (1104, 578322), (1242, 514064), (1311, 487008), (1368, 466716), (1424, 448362), (1444, 442152), (1602, 398544), (1656, 385548), (1691, 377568), (1748, 365256), (1824, 350037), (2047, 311904), (2052, 311144), (2136, 298908), (2166, 294768), (2208, 289161), (2403, 265696), (2484, 257032), (2622, 243504), (2736, 233358), (2848, 224181), (2888, 221076), (3204, 199272), (3249, 196512), (3312, 192774), (3382, 188784), (3496, 182628), (3933, 162336), (4094, 155952), (4104, 155572), (4272, 149454), (4332, 147384), (4806, 132848), (4968, 128516), (5073, 125856), (5244, 121752), (5472, 116679), (5776, 110538), (6141, 103968), (6408, 99636), (6498, 98256), (6624, 96387), (6764, 94392), (6992, 91314), (7866, 81168), (8188, 77976), (8208, 77786), (8303, 76896), (8544, 74727), (8664, 73692), (9612, 66424), (9747, 65504), (9936, 64258), (10146, 62928), (10488, 60876), (11552, 55269), (11799, 54112), (12282, 51984), (12816, 49818), (12996, 49128), (13528, 47196), (13984, 45657), (15219, 41952), (15732, 40584), (16376, 38988), (16416, 38893), (16606, 38448), (17328, 36846), (18423, 34656), (19224, 33212), (19494, 32752), (19872, 32129), (20292, 31464), (20976, 30438), (23598, 27056), (24564, 25992), (24909, 25632)]