156166837520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1999}}^1$

素因数の和:2186

約数の個数: 240

約数和(自身を含む): 401998080000

約数和(自身を除く): 245831242480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 109, 124, 136, 155, 170, 218, 248, 272, 289, 310, 340, 436, 496, 527, 545, 578, 620, 680, 872, 1054, 1090, 1156, 1240, 1360, 1445, 1744, 1853, 1999, 2108, 2180, 2312, 2480, 2635, 2890, 3379, 3706, 3998, 4216, 4360, 4624, 5270, 5780, 6758, 7412, 7996, 8432, 8720, 8959, 9265, 9995, 10540, 11560, 13516, 14824, 15992, 16895, 17918, 18530, 19990, 21080, 23120, 27032, 29648, 31501, 31984, 33790, 33983, 35836, 37060, 39980, 42160, 44795, 54064, 57443, 61969, 63002, 67580, 67966, 71672, 74120, 79960, 89590, 114886, 123938, 126004, 135160, 135932, 143344, 148240, 157505, 159920, 169915, 179180, 217891, 229772, 247876, 252008, 270320, 271864, 287215, 309845, 315010, 339830, 358360, 435782, 459544, 495752, 504016, 543728, 574430, 577711, 619690, 630020, 679660, 716720, 871564, 919088, 976531, 991504, 1053473, 1089455, 1148860, 1155422, 1239380, 1260040, 1359320, 1743128, 1953062, 2106946, 2178910, 2297720, 2310844, 2478760, 2520080, 2718640, 2888555, 3486256, 3704147, 3906124, 4213892, 4357820, 4595440, 4621688, 4882655, 4957520, 5267365, 5777110, 6754621, 7408294, 7812248, 8427784, 8715640, 9243376, 9765310, 10534730, 11554220, 13509242, 14816588, 15624496, 16855568, 17431280, 17909041, 18520735, 19530620, 21069460, 23108440, 27018484, 29633176, 33773105, 35818082, 37041470, 39061240, 42138920, 46216880, 54036968, 59266352, 62970499, 67546210, 71636164, 74082940, 78122480, 84277840, 89545205, 108073936, 114828557, 125940998, 135092420, 143272328, 148165880, 179090410, 229657114, 251881996, 270184840, 286544656, 296331760, 314852495, 358180820, 459314228, 503763992, 540369680, 574142785, 629704990, 716361640, 918628456, 1007527984, 1148285570, 1259409980, 1432723280, 1837256912, 1952085469, 2296571140, 2518819960, 3904170938, 4593142280, 5037639920, 7808341876, 9186284560, 9760427345, 15616683752, 19520854690, 31233367504, 39041709380, 78083418760, 156166837520]

約数ペア:

[(1, 156166837520), (2, 78083418760), (4, 39041709380), (5, 31233367504), (8, 19520854690), (10, 15616683752), (16, 9760427345), (17, 9186284560), (20, 7808341876), (31, 5037639920), (34, 4593142280), (40, 3904170938), (62, 2518819960), (68, 2296571140), (80, 1952085469), (85, 1837256912), (109, 1432723280), (124, 1259409980), (136, 1148285570), (155, 1007527984), (170, 918628456), (218, 716361640), (248, 629704990), (272, 574142785), (289, 540369680), (310, 503763992), (340, 459314228), (436, 358180820), (496, 314852495), (527, 296331760), (545, 286544656), (578, 270184840), (620, 251881996), (680, 229657114), (872, 179090410), (1054, 148165880), (1090, 143272328), (1156, 135092420), (1240, 125940998), (1360, 114828557), (1445, 108073936), (1744, 89545205), (1853, 84277840), (1999, 78122480), (2108, 74082940), (2180, 71636164), (2312, 67546210), (2480, 62970499), (2635, 59266352), (2890, 54036968), (3379, 46216880), (3706, 42138920), (3998, 39061240), (4216, 37041470), (4360, 35818082), (4624, 33773105), (5270, 29633176), (5780, 27018484), (6758, 23108440), (7412, 21069460), (7996, 19530620), (8432, 18520735), (8720, 17909041), (8959, 17431280), (9265, 16855568), (9995, 15624496), (10540, 14816588), (11560, 13509242), (13516, 11554220), (14824, 10534730), (15992, 9765310), (16895, 9243376), (17918, 8715640), (18530, 8427784), (19990, 7812248), (21080, 7408294), (23120, 6754621), (27032, 5777110), (29648, 5267365), (31501, 4957520), (31984, 4882655), (33790, 4621688), (33983, 4595440), (35836, 4357820), (37060, 4213892), (39980, 3906124), (42160, 3704147), (44795, 3486256), (54064, 2888555), (57443, 2718640), (61969, 2520080), (63002, 2478760), (67580, 2310844), (67966, 2297720), (71672, 2178910), (74120, 2106946), (79960, 1953062), (89590, 1743128), (114886, 1359320), (123938, 1260040), (126004, 1239380), (135160, 1155422), (135932, 1148860), (143344, 1089455), (148240, 1053473), (157505, 991504), (159920, 976531), (169915, 919088), (179180, 871564), (217891, 716720), (229772, 679660), (247876, 630020), (252008, 619690), (270320, 577711), (271864, 574430), (287215, 543728), (309845, 504016), (315010, 495752), (339830, 459544), (358360, 435782)]