488245280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 1244315520

約数和(自身を除く): 756070240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 79, 80, 95, 107, 152, 158, 160, 190, 214, 304, 316, 361, 380, 395, 428, 535, 608, 632, 722, 760, 790, 856, 1070, 1264, 1444, 1501, 1520, 1580, 1712, 1805, 2033, 2140, 2528, 2888, 3002, 3040, 3160, 3424, 3610, 4066, 4280, 5776, 6004, 6320, 7220, 7505, 8132, 8453, 8560, 10165, 11552, 12008, 12640, 14440, 15010, 16264, 16906, 17120, 20330, 24016, 28519, 28880, 30020, 32528, 33812, 38627, 40660, 42265, 48032, 57038, 57760, 60040, 65056, 67624, 77254, 81320, 84530, 114076, 120080, 135248, 142595, 154508, 160607, 162640, 169060, 193135, 228152, 240160, 270496, 285190, 309016, 321214, 325280, 338120, 386270, 456304, 570380, 618032, 642428, 676240, 772540, 803035, 912608, 1140760, 1236064, 1284856, 1352480, 1545080, 1606070, 2281520, 2569712, 3051533, 3090160, 3212140, 4563040, 5139424, 6103066, 6180320, 6424280, 12206132, 12848560, 15257665, 24412264, 25697120, 30515330, 48824528, 61030660, 97649056, 122061320, 244122640, 488245280]

約数ペア:

[(1, 488245280), (2, 244122640), (4, 122061320), (5, 97649056), (8, 61030660), (10, 48824528), (16, 30515330), (19, 25697120), (20, 24412264), (32, 15257665), (38, 12848560), (40, 12206132), (76, 6424280), (79, 6180320), (80, 6103066), (95, 5139424), (107, 4563040), (152, 3212140), (158, 3090160), (160, 3051533), (190, 2569712), (214, 2281520), (304, 1606070), (316, 1545080), (361, 1352480), (380, 1284856), (395, 1236064), (428, 1140760), (535, 912608), (608, 803035), (632, 772540), (722, 676240), (760, 642428), (790, 618032), (856, 570380), (1070, 456304), (1264, 386270), (1444, 338120), (1501, 325280), (1520, 321214), (1580, 309016), (1712, 285190), (1805, 270496), (2033, 240160), (2140, 228152), (2528, 193135), (2888, 169060), (3002, 162640), (3040, 160607), (3160, 154508), (3424, 142595), (3610, 135248), (4066, 120080), (4280, 114076), (5776, 84530), (6004, 81320), (6320, 77254), (7220, 67624), (7505, 65056), (8132, 60040), (8453, 57760), (8560, 57038), (10165, 48032), (11552, 42265), (12008, 40660), (12640, 38627), (14440, 33812), (15010, 32528), (16264, 30020), (16906, 28880), (17120, 28519), (20330, 24016)]