128530440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 288

約数和(自身を含む): 470733120

約数和(自身を除く): 342202680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 23, 24, 30, 36, 38, 40, 43, 45, 46, 57, 60, 69, 72, 76, 86, 90, 92, 95, 114, 115, 120, 129, 138, 152, 171, 172, 180, 184, 190, 207, 215, 228, 230, 258, 276, 285, 342, 344, 345, 360, 361, 380, 387, 414, 430, 437, 456, 460, 516, 552, 570, 645, 684, 690, 722, 760, 774, 817, 828, 855, 860, 874, 920, 989, 1032, 1035, 1083, 1140, 1290, 1311, 1368, 1380, 1444, 1548, 1634, 1656, 1710, 1720, 1748, 1805, 1935, 1978, 2070, 2166, 2185, 2280, 2451, 2580, 2622, 2760, 2888, 2967, 3096, 3249, 3268, 3420, 3496, 3610, 3870, 3933, 3956, 4085, 4140, 4332, 4370, 4902, 4945, 5160, 5244, 5415, 5934, 6498, 6536, 6555, 6840, 7220, 7353, 7740, 7866, 7912, 8170, 8280, 8303, 8664, 8740, 8901, 9804, 9890, 10488, 10830, 11868, 12255, 12996, 13110, 14440, 14706, 14835, 15480, 15523, 15732, 16245, 16340, 16606, 17480, 17802, 18791, 19608, 19665, 19780, 21660, 23736, 24510, 24909, 25992, 26220, 29412, 29670, 31046, 31464, 32490, 32680, 33212, 35604, 36765, 37582, 39330, 39560, 41515, 43320, 44505, 46569, 49020, 49818, 52440, 56373, 58824, 59340, 62092, 64980, 66424, 71208, 73530, 74727, 75164, 77615, 78660, 83030, 89010, 93138, 93955, 98040, 99636, 112746, 118680, 124184, 124545, 129960, 139707, 147060, 149454, 150328, 155230, 157320, 166060, 169119, 178020, 186276, 187910, 199272, 225492, 232845, 249090, 279414, 281865, 294120, 298908, 310460, 332120, 338238, 356040, 357029, 372552, 373635, 375820, 450984, 465690, 498180, 558828, 563730, 597816, 620920, 676476, 698535, 714058, 747270, 751640, 845595, 931380, 996360, 1071087, 1117656, 1127460, 1352952, 1397070, 1428116, 1494540, 1691190, 1785145, 1862760, 2142174, 2254920, 2794140, 2856232, 2989080, 3213261, 3382380, 3570290, 4284348, 5355435, 5588280, 6426522, 6764760, 7140580, 8568696, 10710870, 12853044, 14281160, 16066305, 21421740, 25706088, 32132610, 42843480, 64265220, 128530440]

約数ペア:

[(1, 128530440), (2, 64265220), (3, 42843480), (4, 32132610), (5, 25706088), (6, 21421740), (8, 16066305), (9, 14281160), (10, 12853044), (12, 10710870), (15, 8568696), (18, 7140580), (19, 6764760), (20, 6426522), (23, 5588280), (24, 5355435), (30, 4284348), (36, 3570290), (38, 3382380), (40, 3213261), (43, 2989080), (45, 2856232), (46, 2794140), (57, 2254920), (60, 2142174), (69, 1862760), (72, 1785145), (76, 1691190), (86, 1494540), (90, 1428116), (92, 1397070), (95, 1352952), (114, 1127460), (115, 1117656), (120, 1071087), (129, 996360), (138, 931380), (152, 845595), (171, 751640), (172, 747270), (180, 714058), (184, 698535), (190, 676476), (207, 620920), (215, 597816), (228, 563730), (230, 558828), (258, 498180), (276, 465690), (285, 450984), (342, 375820), (344, 373635), (345, 372552), (360, 357029), (361, 356040), (380, 338238), (387, 332120), (414, 310460), (430, 298908), (437, 294120), (456, 281865), (460, 279414), (516, 249090), (552, 232845), (570, 225492), (645, 199272), (684, 187910), (690, 186276), (722, 178020), (760, 169119), (774, 166060), (817, 157320), (828, 155230), (855, 150328), (860, 149454), (874, 147060), (920, 139707), (989, 129960), (1032, 124545), (1035, 124184), (1083, 118680), (1140, 112746), (1290, 99636), (1311, 98040), (1368, 93955), (1380, 93138), (1444, 89010), (1548, 83030), (1634, 78660), (1656, 77615), (1710, 75164), (1720, 74727), (1748, 73530), (1805, 71208), (1935, 66424), (1978, 64980), (2070, 62092), (2166, 59340), (2185, 58824), (2280, 56373), (2451, 52440), (2580, 49818), (2622, 49020), (2760, 46569), (2888, 44505), (2967, 43320), (3096, 41515), (3249, 39560), (3268, 39330), (3420, 37582), (3496, 36765), (3610, 35604), (3870, 33212), (3933, 32680), (3956, 32490), (4085, 31464), (4140, 31046), (4332, 29670), (4370, 29412), (4902, 26220), (4945, 25992), (5160, 24909), (5244, 24510), (5415, 23736), (5934, 21660), (6498, 19780), (6536, 19665), (6555, 19608), (6840, 18791), (7220, 17802), (7353, 17480), (7740, 16606), (7866, 16340), (7912, 16245), (8170, 15732), (8280, 15523), (8303, 15480), (8664, 14835), (8740, 14706), (8901, 14440), (9804, 13110), (9890, 12996), (10488, 12255), (10830, 11868)]