16866720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 288

約数和(自身を含む): 66869712

約数和(自身を除く): 50002992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 53, 60, 65, 68, 72, 78, 80, 85, 90, 96, 102, 104, 106, 117, 120, 130, 136, 144, 153, 156, 159, 160, 170, 180, 195, 204, 208, 212, 221, 234, 240, 255, 260, 265, 272, 288, 306, 312, 318, 340, 360, 390, 408, 416, 424, 442, 468, 477, 480, 510, 520, 530, 544, 585, 612, 624, 636, 663, 680, 689, 720, 765, 780, 795, 816, 848, 884, 901, 936, 954, 1020, 1040, 1060, 1105, 1170, 1224, 1248, 1272, 1326, 1360, 1378, 1440, 1530, 1560, 1590, 1632, 1696, 1768, 1802, 1872, 1908, 1989, 2040, 2067, 2080, 2120, 2210, 2340, 2385, 2448, 2544, 2652, 2703, 2720, 2756, 3060, 3120, 3180, 3315, 3445, 3536, 3604, 3744, 3816, 3978, 4080, 4134, 4240, 4420, 4505, 4680, 4770, 4896, 5088, 5304, 5406, 5512, 6120, 6201, 6240, 6360, 6630, 6890, 7072, 7208, 7632, 7956, 8109, 8160, 8268, 8480, 8840, 9010, 9360, 9540, 9945, 10335, 10608, 10812, 11024, 11713, 12240, 12402, 12720, 13260, 13515, 13780, 14416, 15264, 15912, 16218, 16536, 17680, 18020, 18720, 19080, 19890, 20670, 21216, 21624, 22048, 23426, 24480, 24804, 25440, 26520, 27030, 27560, 28832, 31005, 31824, 32436, 33072, 35139, 35360, 36040, 38160, 39780, 40545, 41340, 43248, 46852, 49608, 53040, 54060, 55120, 58565, 62010, 63648, 64872, 66144, 70278, 72080, 76320, 79560, 81090, 82680, 86496, 93704, 99216, 105417, 106080, 108120, 110240, 117130, 124020, 129744, 140556, 144160, 159120, 162180, 165360, 175695, 187408, 198432, 210834, 216240, 234260, 248040, 259488, 281112, 318240, 324360, 330720, 351390, 374816, 421668, 432480, 468520, 496080, 527085, 562224, 648720, 702780, 843336, 937040, 992160, 1054170, 1124448, 1297440, 1405560, 1686672, 1874080, 2108340, 2811120, 3373344, 4216680, 5622240, 8433360, 16866720]

約数ペア:

[(1, 16866720), (2, 8433360), (3, 5622240), (4, 4216680), (5, 3373344), (6, 2811120), (8, 2108340), (9, 1874080), (10, 1686672), (12, 1405560), (13, 1297440), (15, 1124448), (16, 1054170), (17, 992160), (18, 937040), (20, 843336), (24, 702780), (26, 648720), (30, 562224), (32, 527085), (34, 496080), (36, 468520), (39, 432480), (40, 421668), (45, 374816), (48, 351390), (51, 330720), (52, 324360), (53, 318240), (60, 281112), (65, 259488), (68, 248040), (72, 234260), (78, 216240), (80, 210834), (85, 198432), (90, 187408), (96, 175695), (102, 165360), (104, 162180), (106, 159120), (117, 144160), (120, 140556), (130, 129744), (136, 124020), (144, 117130), (153, 110240), (156, 108120), (159, 106080), (160, 105417), (170, 99216), (180, 93704), (195, 86496), (204, 82680), (208, 81090), (212, 79560), (221, 76320), (234, 72080), (240, 70278), (255, 66144), (260, 64872), (265, 63648), (272, 62010), (288, 58565), (306, 55120), (312, 54060), (318, 53040), (340, 49608), (360, 46852), (390, 43248), (408, 41340), (416, 40545), (424, 39780), (442, 38160), (468, 36040), (477, 35360), (480, 35139), (510, 33072), (520, 32436), (530, 31824), (544, 31005), (585, 28832), (612, 27560), (624, 27030), (636, 26520), (663, 25440), (680, 24804), (689, 24480), (720, 23426), (765, 22048), (780, 21624), (795, 21216), (816, 20670), (848, 19890), (884, 19080), (901, 18720), (936, 18020), (954, 17680), (1020, 16536), (1040, 16218), (1060, 15912), (1105, 15264), (1170, 14416), (1224, 13780), (1248, 13515), (1272, 13260), (1326, 12720), (1360, 12402), (1378, 12240), (1440, 11713), (1530, 11024), (1560, 10812), (1590, 10608), (1632, 10335), (1696, 9945), (1768, 9540), (1802, 9360), (1872, 9010), (1908, 8840), (1989, 8480), (2040, 8268), (2067, 8160), (2080, 8109), (2120, 7956), (2210, 7632), (2340, 7208), (2385, 7072), (2448, 6890), (2544, 6630), (2652, 6360), (2703, 6240), (2720, 6201), (2756, 6120), (3060, 5512), (3120, 5406), (3180, 5304), (3315, 5088), (3445, 4896), (3536, 4770), (3604, 4680), (3744, 4505), (3816, 4420), (3978, 4240), (4080, 4134)]