217679280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9967}}^1$

素因数の和:10003

約数の個数: 160

約数和(自身を含む): 830613504

約数和(自身を除く): 612934224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 9967, 10920, 19934, 21840, 29901, 39868, 49835, 59802, 69769, 79736, 99670, 119604, 129571, 139538, 149505, 159472, 199340, 209307, 239208, 259142, 279076, 299010, 348845, 388713, 398680, 418614, 478416, 518284, 558152, 598020, 647855, 697690, 777426, 797360, 837228, 906997, 1036568, 1046535, 1116304, 1196040, 1295710, 1395380, 1554852, 1674456, 1813994, 1943565, 2073136, 2093070, 2392080, 2591420, 2720991, 2790760, 3109704, 3348912, 3627988, 3887130, 4186140, 4534985, 5182840, 5441982, 5581520, 6219408, 7255976, 7774260, 8372280, 9069970, 10365680, 10883964, 13604955, 14511952, 15548520, 16744560, 18139940, 21767928, 27209910, 31097040, 36279880, 43535856, 54419820, 72559760, 108839640, 217679280]

約数ペア:

[(1, 217679280), (2, 108839640), (3, 72559760), (4, 54419820), (5, 43535856), (6, 36279880), (7, 31097040), (8, 27209910), (10, 21767928), (12, 18139940), (13, 16744560), (14, 15548520), (15, 14511952), (16, 13604955), (20, 10883964), (21, 10365680), (24, 9069970), (26, 8372280), (28, 7774260), (30, 7255976), (35, 6219408), (39, 5581520), (40, 5441982), (42, 5182840), (48, 4534985), (52, 4186140), (56, 3887130), (60, 3627988), (65, 3348912), (70, 3109704), (78, 2790760), (80, 2720991), (84, 2591420), (91, 2392080), (104, 2093070), (105, 2073136), (112, 1943565), (120, 1813994), (130, 1674456), (140, 1554852), (156, 1395380), (168, 1295710), (182, 1196040), (195, 1116304), (208, 1046535), (210, 1036568), (240, 906997), (260, 837228), (273, 797360), (280, 777426), (312, 697690), (336, 647855), (364, 598020), (390, 558152), (420, 518284), (455, 478416), (520, 418614), (546, 398680), (560, 388713), (624, 348845), (728, 299010), (780, 279076), (840, 259142), (910, 239208), (1040, 209307), (1092, 199340), (1365, 159472), (1456, 149505), (1560, 139538), (1680, 129571), (1820, 119604), (2184, 99670), (2730, 79736), (3120, 69769), (3640, 59802), (4368, 49835), (5460, 39868), (7280, 29901), (9967, 21840), (10920, 19934)]