689075280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2963}}^1$

素因数の和:3018

約数の個数: 240

約数和(自身を含む): 2580102720

約数和(自身を除く): 1891027440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 48, 51, 57, 60, 68, 72, 76, 80, 85, 90, 95, 102, 114, 120, 136, 144, 152, 153, 170, 171, 180, 190, 204, 228, 240, 255, 272, 285, 304, 306, 323, 340, 342, 360, 380, 408, 456, 510, 570, 612, 646, 680, 684, 720, 760, 765, 816, 855, 912, 969, 1020, 1140, 1224, 1292, 1360, 1368, 1520, 1530, 1615, 1710, 1938, 2040, 2280, 2448, 2584, 2736, 2907, 2963, 3060, 3230, 3420, 3876, 4080, 4560, 4845, 5168, 5814, 5926, 6120, 6460, 6840, 7752, 8889, 9690, 11628, 11852, 12240, 12920, 13680, 14535, 14815, 15504, 17778, 19380, 23256, 23704, 25840, 26667, 29070, 29630, 35556, 38760, 44445, 46512, 47408, 50371, 53334, 56297, 58140, 59260, 71112, 77520, 88890, 100742, 106668, 112594, 116280, 118520, 133335, 142224, 151113, 168891, 177780, 201484, 213336, 225188, 232560, 237040, 251855, 266670, 281485, 302226, 337782, 355560, 402968, 426672, 450376, 453339, 503710, 506673, 533340, 562970, 604452, 675564, 711120, 755565, 805936, 844455, 900752, 906678, 957049, 1007420, 1013346, 1066680, 1125940, 1208904, 1351128, 1511130, 1688910, 1813356, 1914098, 2014840, 2026692, 2133360, 2251880, 2266695, 2417808, 2533365, 2702256, 2871147, 3022260, 3377820, 3626712, 3828196, 4029680, 4053384, 4503760, 4533390, 4785245, 5066730, 5742294, 6044520, 6755640, 7253424, 7656392, 8106768, 8613441, 9066780, 9570490, 10133460, 11484588, 12089040, 13511280, 14355735, 15312784, 17226882, 18133560, 19140980, 20266920, 22969176, 28711470, 34453764, 36267120, 38281960, 40533840, 43067205, 45938352, 57422940, 68907528, 76563920, 86134410, 114845880, 137815056, 172268820, 229691760, 344537640, 689075280]

約数ペア:

[(1, 689075280), (2, 344537640), (3, 229691760), (4, 172268820), (5, 137815056), (6, 114845880), (8, 86134410), (9, 76563920), (10, 68907528), (12, 57422940), (15, 45938352), (16, 43067205), (17, 40533840), (18, 38281960), (19, 36267120), (20, 34453764), (24, 28711470), (30, 22969176), (34, 20266920), (36, 19140980), (38, 18133560), (40, 17226882), (45, 15312784), (48, 14355735), (51, 13511280), (57, 12089040), (60, 11484588), (68, 10133460), (72, 9570490), (76, 9066780), (80, 8613441), (85, 8106768), (90, 7656392), (95, 7253424), (102, 6755640), (114, 6044520), (120, 5742294), (136, 5066730), (144, 4785245), (152, 4533390), (153, 4503760), (170, 4053384), (171, 4029680), (180, 3828196), (190, 3626712), (204, 3377820), (228, 3022260), (240, 2871147), (255, 2702256), (272, 2533365), (285, 2417808), (304, 2266695), (306, 2251880), (323, 2133360), (340, 2026692), (342, 2014840), (360, 1914098), (380, 1813356), (408, 1688910), (456, 1511130), (510, 1351128), (570, 1208904), (612, 1125940), (646, 1066680), (680, 1013346), (684, 1007420), (720, 957049), (760, 906678), (765, 900752), (816, 844455), (855, 805936), (912, 755565), (969, 711120), (1020, 675564), (1140, 604452), (1224, 562970), (1292, 533340), (1360, 506673), (1368, 503710), (1520, 453339), (1530, 450376), (1615, 426672), (1710, 402968), (1938, 355560), (2040, 337782), (2280, 302226), (2448, 281485), (2584, 266670), (2736, 251855), (2907, 237040), (2963, 232560), (3060, 225188), (3230, 213336), (3420, 201484), (3876, 177780), (4080, 168891), (4560, 151113), (4845, 142224), (5168, 133335), (5814, 118520), (5926, 116280), (6120, 112594), (6460, 106668), (6840, 100742), (7752, 88890), (8889, 77520), (9690, 71112), (11628, 59260), (11852, 58140), (12240, 56297), (12920, 53334), (13680, 50371), (14535, 47408), (14815, 46512), (15504, 44445), (17778, 38760), (19380, 35556), (23256, 29630), (23704, 29070), (25840, 26667)]