498520320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{659}}^1$

素因数の和:880

約数の個数: 144

約数和(自身を含む): 1602659520

約数和(自身を除く): 1104139200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 197, 240, 256, 320, 384, 394, 480, 591, 640, 659, 768, 788, 960, 985, 1182, 1280, 1318, 1576, 1920, 1970, 1977, 2364, 2636, 2955, 3152, 3295, 3840, 3940, 3954, 4728, 5272, 5910, 6304, 6590, 7880, 7908, 9456, 9885, 10544, 11820, 12608, 13180, 15760, 15816, 18912, 19770, 21088, 23640, 25216, 26360, 31520, 31632, 37824, 39540, 42176, 47280, 50432, 52720, 63040, 63264, 75648, 79080, 84352, 94560, 105440, 126080, 126528, 129823, 151296, 158160, 168704, 189120, 210880, 252160, 253056, 259646, 316320, 378240, 389469, 421760, 506112, 519292, 632640, 649115, 756480, 778938, 843520, 1038584, 1265280, 1298230, 1557876, 1947345, 2077168, 2530560, 2596460, 3115752, 3894690, 4154336, 5192920, 6231504, 7789380, 8308672, 10385840, 12463008, 15578760, 16617344, 20771680, 24926016, 31157520, 33234688, 41543360, 49852032, 62315040, 83086720, 99704064, 124630080, 166173440, 249260160, 498520320]

約数ペア:

[(1, 498520320), (2, 249260160), (3, 166173440), (4, 124630080), (5, 99704064), (6, 83086720), (8, 62315040), (10, 49852032), (12, 41543360), (15, 33234688), (16, 31157520), (20, 24926016), (24, 20771680), (30, 16617344), (32, 15578760), (40, 12463008), (48, 10385840), (60, 8308672), (64, 7789380), (80, 6231504), (96, 5192920), (120, 4154336), (128, 3894690), (160, 3115752), (192, 2596460), (197, 2530560), (240, 2077168), (256, 1947345), (320, 1557876), (384, 1298230), (394, 1265280), (480, 1038584), (591, 843520), (640, 778938), (659, 756480), (768, 649115), (788, 632640), (960, 519292), (985, 506112), (1182, 421760), (1280, 389469), (1318, 378240), (1576, 316320), (1920, 259646), (1970, 253056), (1977, 252160), (2364, 210880), (2636, 189120), (2955, 168704), (3152, 158160), (3295, 151296), (3840, 129823), (3940, 126528), (3954, 126080), (4728, 105440), (5272, 94560), (5910, 84352), (6304, 79080), (6590, 75648), (7880, 63264), (7908, 63040), (9456, 52720), (9885, 50432), (10544, 47280), (11820, 42176), (12608, 39540), (13180, 37824), (15760, 31632), (15816, 31520), (18912, 26360), (19770, 25216), (21088, 23640)]