990395520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1597}}^1$

素因数の和:1655

約数の個数: 256

約数和(自身を含む): 3520713600

約数和(自身を除く): 2530318080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 32, 34, 38, 40, 48, 51, 57, 60, 64, 68, 76, 80, 85, 95, 96, 102, 114, 120, 128, 136, 152, 160, 170, 190, 192, 204, 228, 240, 255, 272, 285, 304, 320, 323, 340, 380, 384, 408, 456, 480, 510, 544, 570, 608, 640, 646, 680, 760, 816, 912, 960, 969, 1020, 1088, 1140, 1216, 1292, 1360, 1520, 1597, 1615, 1632, 1824, 1920, 1938, 2040, 2176, 2280, 2432, 2584, 2720, 3040, 3194, 3230, 3264, 3648, 3876, 4080, 4560, 4791, 4845, 5168, 5440, 6080, 6388, 6460, 6528, 7296, 7752, 7985, 8160, 9120, 9582, 9690, 10336, 10880, 12160, 12776, 12920, 15504, 15970, 16320, 18240, 19164, 19380, 20672, 23955, 25552, 25840, 27149, 30343, 31008, 31940, 32640, 36480, 38328, 38760, 41344, 47910, 51104, 51680, 54298, 60686, 62016, 63880, 76656, 77520, 81447, 91029, 95820, 102208, 103360, 108596, 121372, 124032, 127760, 135745, 151715, 153312, 155040, 162894, 182058, 191640, 204416, 206720, 217192, 242744, 255520, 271490, 303430, 306624, 310080, 325788, 364116, 383280, 407235, 434384, 455145, 485488, 511040, 515831, 542980, 606860, 613248, 620160, 651576, 728232, 766560, 814470, 868768, 910290, 970976, 1022080, 1031662, 1085960, 1213720, 1303152, 1456464, 1533120, 1547493, 1628940, 1737536, 1820580, 1941952, 2063324, 2171920, 2427440, 2579155, 2606304, 2912928, 3066240, 3094986, 3257880, 3475072, 3641160, 3883904, 4126648, 4343840, 4854880, 5158310, 5212608, 5825856, 6189972, 6515760, 7282320, 7737465, 8253296, 8687680, 9709760, 10316620, 10425216, 11651712, 12379944, 13031520, 14564640, 15474930, 16506592, 17375360, 19419520, 20633240, 24759888, 26063040, 29129280, 30949860, 33013184, 41266480, 49519776, 52126080, 58258560, 61899720, 66026368, 82532960, 99039552, 123799440, 165065920, 198079104, 247598880, 330131840, 495197760, 990395520]

約数ペア:

[(1, 990395520), (2, 495197760), (3, 330131840), (4, 247598880), (5, 198079104), (6, 165065920), (8, 123799440), (10, 99039552), (12, 82532960), (15, 66026368), (16, 61899720), (17, 58258560), (19, 52126080), (20, 49519776), (24, 41266480), (30, 33013184), (32, 30949860), (34, 29129280), (38, 26063040), (40, 24759888), (48, 20633240), (51, 19419520), (57, 17375360), (60, 16506592), (64, 15474930), (68, 14564640), (76, 13031520), (80, 12379944), (85, 11651712), (95, 10425216), (96, 10316620), (102, 9709760), (114, 8687680), (120, 8253296), (128, 7737465), (136, 7282320), (152, 6515760), (160, 6189972), (170, 5825856), (190, 5212608), (192, 5158310), (204, 4854880), (228, 4343840), (240, 4126648), (255, 3883904), (272, 3641160), (285, 3475072), (304, 3257880), (320, 3094986), (323, 3066240), (340, 2912928), (380, 2606304), (384, 2579155), (408, 2427440), (456, 2171920), (480, 2063324), (510, 1941952), (544, 1820580), (570, 1737536), (608, 1628940), (640, 1547493), (646, 1533120), (680, 1456464), (760, 1303152), (816, 1213720), (912, 1085960), (960, 1031662), (969, 1022080), (1020, 970976), (1088, 910290), (1140, 868768), (1216, 814470), (1292, 766560), (1360, 728232), (1520, 651576), (1597, 620160), (1615, 613248), (1632, 606860), (1824, 542980), (1920, 515831), (1938, 511040), (2040, 485488), (2176, 455145), (2280, 434384), (2432, 407235), (2584, 383280), (2720, 364116), (3040, 325788), (3194, 310080), (3230, 306624), (3264, 303430), (3648, 271490), (3876, 255520), (4080, 242744), (4560, 217192), (4791, 206720), (4845, 204416), (5168, 191640), (5440, 182058), (6080, 162894), (6388, 155040), (6460, 153312), (6528, 151715), (7296, 135745), (7752, 127760), (7985, 124032), (8160, 121372), (9120, 108596), (9582, 103360), (9690, 102208), (10336, 95820), (10880, 91029), (12160, 81447), (12776, 77520), (12920, 76656), (15504, 63880), (15970, 62016), (16320, 60686), (18240, 54298), (19164, 51680), (19380, 51104), (20672, 47910), (23955, 41344), (25552, 38760), (25840, 38328), (27149, 36480), (30343, 32640), (31008, 31940)]