128879040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 224

約数和(自身を含む): 444398400

約数和(自身を除く): 315519360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 53, 60, 64, 68, 80, 85, 96, 102, 106, 120, 136, 149, 159, 160, 170, 192, 204, 212, 240, 255, 265, 272, 298, 318, 320, 340, 408, 424, 447, 480, 510, 530, 544, 596, 636, 680, 745, 795, 816, 848, 894, 901, 960, 1020, 1060, 1088, 1192, 1272, 1360, 1490, 1590, 1632, 1696, 1788, 1802, 2040, 2120, 2235, 2384, 2533, 2544, 2703, 2720, 2980, 3180, 3264, 3392, 3576, 3604, 4080, 4240, 4470, 4505, 4768, 5066, 5088, 5406, 5440, 5960, 6360, 7152, 7208, 7599, 7897, 8160, 8480, 8940, 9010, 9536, 10132, 10176, 10812, 11920, 12665, 12720, 13515, 14304, 14416, 15198, 15794, 16320, 16960, 17880, 18020, 20264, 21624, 23691, 23840, 25330, 25440, 27030, 28608, 28832, 30396, 31588, 35760, 36040, 37995, 39485, 40528, 43248, 47382, 47680, 50660, 50880, 54060, 57664, 60792, 63176, 71520, 72080, 75990, 78970, 81056, 86496, 94764, 101320, 108120, 118455, 121584, 126352, 134249, 143040, 144160, 151980, 157940, 162112, 172992, 189528, 202640, 216240, 236910, 243168, 252704, 268498, 288320, 303960, 315880, 379056, 402747, 405280, 432480, 473820, 486336, 505408, 536996, 607920, 631760, 671245, 758112, 805494, 810560, 864960, 947640, 1073992, 1215840, 1263520, 1342490, 1516224, 1610988, 1895280, 2013735, 2147984, 2431680, 2527040, 2684980, 3221976, 3790560, 4027470, 4295968, 5369960, 6443952, 7581120, 8054940, 8591936, 10739920, 12887904, 16109880, 21479840, 25775808, 32219760, 42959680, 64439520, 128879040]

約数ペア:

[(1, 128879040), (2, 64439520), (3, 42959680), (4, 32219760), (5, 25775808), (6, 21479840), (8, 16109880), (10, 12887904), (12, 10739920), (15, 8591936), (16, 8054940), (17, 7581120), (20, 6443952), (24, 5369960), (30, 4295968), (32, 4027470), (34, 3790560), (40, 3221976), (48, 2684980), (51, 2527040), (53, 2431680), (60, 2147984), (64, 2013735), (68, 1895280), (80, 1610988), (85, 1516224), (96, 1342490), (102, 1263520), (106, 1215840), (120, 1073992), (136, 947640), (149, 864960), (159, 810560), (160, 805494), (170, 758112), (192, 671245), (204, 631760), (212, 607920), (240, 536996), (255, 505408), (265, 486336), (272, 473820), (298, 432480), (318, 405280), (320, 402747), (340, 379056), (408, 315880), (424, 303960), (447, 288320), (480, 268498), (510, 252704), (530, 243168), (544, 236910), (596, 216240), (636, 202640), (680, 189528), (745, 172992), (795, 162112), (816, 157940), (848, 151980), (894, 144160), (901, 143040), (960, 134249), (1020, 126352), (1060, 121584), (1088, 118455), (1192, 108120), (1272, 101320), (1360, 94764), (1490, 86496), (1590, 81056), (1632, 78970), (1696, 75990), (1788, 72080), (1802, 71520), (2040, 63176), (2120, 60792), (2235, 57664), (2384, 54060), (2533, 50880), (2544, 50660), (2703, 47680), (2720, 47382), (2980, 43248), (3180, 40528), (3264, 39485), (3392, 37995), (3576, 36040), (3604, 35760), (4080, 31588), (4240, 30396), (4470, 28832), (4505, 28608), (4768, 27030), (5066, 25440), (5088, 25330), (5406, 23840), (5440, 23691), (5960, 21624), (6360, 20264), (7152, 18020), (7208, 17880), (7599, 16960), (7897, 16320), (8160, 15794), (8480, 15198), (8940, 14416), (9010, 14304), (9536, 13515), (10132, 12720), (10176, 12665), (10812, 11920)]