1998549011520

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1\times {\mathrm{977}}^1$

素因数の和:1772

約数の個数: 896

約数和(自身を含む): 7876846425600

約数和(自身を除く): 5878297414080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 27, 30, 32, 34, 36, 38, 40, 45, 48, 51, 54, 57, 60, 64, 68, 72, 76, 80, 85, 90, 95, 96, 102, 108, 114, 120, 135, 136, 144, 152, 153, 160, 170, 171, 180, 190, 192, 204, 216, 228, 240, 255, 270, 272, 285, 288, 304, 306, 320, 323, 340, 342, 360, 380, 408, 432, 456, 459, 480, 510, 513, 540, 544, 570, 576, 608, 612, 646, 680, 684, 720, 733, 760, 765, 816, 855, 864, 912, 918, 960, 969, 977, 1020, 1026, 1080, 1088, 1140, 1216, 1224, 1292, 1360, 1368, 1440, 1466, 1520, 1530, 1615, 1632, 1710, 1728, 1824, 1836, 1938, 1954, 2040, 2052, 2160, 2199, 2280, 2295, 2448, 2565, 2584, 2720, 2736, 2880, 2907, 2931, 2932, 3040, 3060, 3230, 3264, 3420, 3648, 3665, 3672, 3876, 3908, 4080, 4104, 4320, 4398, 4560, 4590, 4845, 4885, 4896, 5130, 5168, 5440, 5472, 5814, 5862, 5864, 6080, 6120, 6460, 6597, 6840, 7330, 7344, 7752, 7816, 8160, 8208, 8640, 8721, 8793, 8796, 9120, 9180, 9690, 9770, 9792, 10260, 10336, 10944, 10995, 11628, 11724, 11728, 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約数ペア:

[(1, 1998549011520), (2, 999274505760), (3, 666183003840), (4, 499637252880), (5, 399709802304), (6, 333091501920), (8, 249818626440), (9, 222061001280), (10, 199854901152), (12, 166545750960), (15, 133236600768), (16, 124909313220), (17, 117561706560), (18, 111030500640), (19, 105186790080), (20, 99927450576), (24, 83272875480), (27, 74020333760), (30, 66618300384), (32, 62454656610), (34, 58780853280), (36, 55515250320), (38, 52593395040), (40, 49963725288), (45, 44412200256), (48, 41636437740), (51, 39187235520), (54, 37010166880), (57, 35062263360), (60, 33309150192), (64, 31227328305), (68, 29390426640), (72, 27757625160), (76, 26296697520), (80, 24981862644), (85, 23512341312), (90, 22206100128), (95, 21037358016), (96, 20818218870), (102, 19593617760), (108, 18505083440), (114, 17531131680), (120, 16654575096), (135, 14804066752), (136, 14695213320), (144, 13878812580), (152, 13148348760), (153, 13062411840), (160, 12490931322), (170, 11756170656), (171, 11687421120), (180, 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