289691440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 160

約数和(自身を含む): 747273600

約数和(自身を除く): 457582160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 58, 61, 80, 89, 92, 115, 116, 122, 145, 178, 184, 230, 232, 244, 290, 305, 356, 368, 445, 460, 464, 488, 580, 610, 667, 712, 890, 920, 976, 1160, 1220, 1334, 1403, 1424, 1769, 1780, 1840, 2047, 2320, 2440, 2581, 2668, 2806, 3335, 3538, 3560, 4094, 4880, 5162, 5336, 5429, 5612, 6670, 7015, 7076, 7120, 8188, 8845, 10235, 10324, 10672, 10858, 11224, 12905, 13340, 14030, 14152, 16376, 17690, 20470, 20648, 21716, 22448, 25810, 26680, 27145, 28060, 28304, 32752, 35380, 40687, 40940, 41296, 43432, 51620, 53360, 54290, 56120, 59363, 70760, 81374, 81880, 86864, 103240, 108580, 112240, 118726, 124867, 141520, 157441, 162748, 163760, 203435, 206480, 217160, 237452, 249734, 296815, 314882, 325496, 406870, 434320, 474904, 499468, 593630, 624335, 629764, 650992, 787205, 813740, 949808, 998936, 1187260, 1248670, 1259528, 1574410, 1627480, 1997872, 2374520, 2497340, 2519056, 3148820, 3254960, 3621143, 4749040, 4994680, 6297640, 7242286, 9989360, 12595280, 14484572, 18105715, 28969144, 36211430, 57938288, 72422860, 144845720, 289691440]

約数ペア:

[(1, 289691440), (2, 144845720), (4, 72422860), (5, 57938288), (8, 36211430), (10, 28969144), (16, 18105715), (20, 14484572), (23, 12595280), (29, 9989360), (40, 7242286), (46, 6297640), (58, 4994680), (61, 4749040), (80, 3621143), (89, 3254960), (92, 3148820), (115, 2519056), (116, 2497340), (122, 2374520), (145, 1997872), (178, 1627480), (184, 1574410), (230, 1259528), (232, 1248670), (244, 1187260), (290, 998936), (305, 949808), (356, 813740), (368, 787205), (445, 650992), (460, 629764), (464, 624335), (488, 593630), (580, 499468), (610, 474904), (667, 434320), (712, 406870), (890, 325496), (920, 314882), (976, 296815), (1160, 249734), (1220, 237452), (1334, 217160), (1403, 206480), (1424, 203435), (1769, 163760), (1780, 162748), (1840, 157441), (2047, 141520), (2320, 124867), (2440, 118726), (2581, 112240), (2668, 108580), (2806, 103240), (3335, 86864), (3538, 81880), (3560, 81374), (4094, 70760), (4880, 59363), (5162, 56120), (5336, 54290), (5429, 53360), (5612, 51620), (6670, 43432), (7015, 41296), (7076, 40940), (7120, 40687), (8188, 35380), (8845, 32752), (10235, 28304), (10324, 28060), (10672, 27145), (10858, 26680), (11224, 25810), (12905, 22448), (13340, 21716), (14030, 20648), (14152, 20470), (16376, 17690)]