420082240

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:165

約数の個数: 224

約数和(自身を含む): 1137659904

約数和(自身を除く): 717577664

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 47, 53, 62, 64, 68, 80, 85, 94, 106, 124, 136, 155, 160, 170, 188, 212, 235, 248, 265, 272, 310, 320, 340, 376, 424, 470, 496, 527, 530, 544, 620, 680, 752, 799, 848, 901, 940, 992, 1054, 1060, 1088, 1240, 1360, 1457, 1504, 1598, 1643, 1696, 1802, 1880, 1984, 2108, 2120, 2480, 2491, 2635, 2720, 2914, 3008, 3196, 3286, 3392, 3604, 3760, 3995, 4216, 4240, 4505, 4960, 4982, 5270, 5440, 5828, 6392, 6572, 7208, 7285, 7520, 7990, 8215, 8432, 8480, 9010, 9920, 9964, 10540, 11656, 12455, 12784, 13144, 14416, 14570, 15040, 15980, 16430, 16864, 16960, 18020, 19928, 21080, 23312, 24769, 24910, 25568, 26288, 27931, 28832, 29140, 31960, 32860, 33728, 36040, 39856, 42160, 42347, 46624, 49538, 49820, 51136, 52576, 55862, 57664, 58280, 63920, 65720, 72080, 77221, 79712, 84320, 84694, 93248, 99076, 99640, 105152, 111724, 116560, 123845, 127840, 131440, 139655, 144160, 154442, 159424, 168640, 169388, 198152, 199280, 211735, 223448, 233120, 247690, 255680, 262880, 279310, 288320, 308884, 338776, 386105, 396304, 398560, 423470, 446896, 466240, 495380, 525760, 558620, 617768, 677552, 772210, 792608, 797120, 846940, 893792, 990760, 1117240, 1235536, 1312757, 1355104, 1544420, 1585216, 1693880, 1787584, 1981520, 2234480, 2471072, 2625514, 2710208, 3088840, 3387760, 3963040, 4468960, 4942144, 5251028, 6177680, 6563785, 6775520, 7926080, 8937920, 10502056, 12355360, 13127570, 13551040, 21004112, 24710720, 26255140, 42008224, 52510280, 84016448, 105020560, 210041120, 420082240]

約数ペア:

[(1, 420082240), (2, 210041120), (4, 105020560), (5, 84016448), (8, 52510280), (10, 42008224), (16, 26255140), (17, 24710720), (20, 21004112), (31, 13551040), (32, 13127570), (34, 12355360), (40, 10502056), (47, 8937920), (53, 7926080), (62, 6775520), (64, 6563785), (68, 6177680), (80, 5251028), (85, 4942144), (94, 4468960), (106, 3963040), (124, 3387760), (136, 3088840), (155, 2710208), (160, 2625514), (170, 2471072), (188, 2234480), (212, 1981520), (235, 1787584), (248, 1693880), (265, 1585216), (272, 1544420), (310, 1355104), (320, 1312757), (340, 1235536), (376, 1117240), (424, 990760), (470, 893792), (496, 846940), (527, 797120), (530, 792608), (544, 772210), (620, 677552), (680, 617768), (752, 558620), (799, 525760), (848, 495380), (901, 466240), (940, 446896), (992, 423470), (1054, 398560), (1060, 396304), (1088, 386105), (1240, 338776), (1360, 308884), (1457, 288320), (1504, 279310), (1598, 262880), (1643, 255680), (1696, 247690), (1802, 233120), (1880, 223448), (1984, 211735), (2108, 199280), (2120, 198152), (2480, 169388), (2491, 168640), (2635, 159424), (2720, 154442), (2914, 144160), (3008, 139655), (3196, 131440), (3286, 127840), (3392, 123845), (3604, 116560), (3760, 111724), (3995, 105152), (4216, 99640), (4240, 99076), (4505, 93248), (4960, 84694), (4982, 84320), (5270, 79712), (5440, 77221), (5828, 72080), (6392, 65720), (6572, 63920), (7208, 58280), (7285, 57664), (7520, 55862), (7990, 52576), (8215, 51136), (8432, 49820), (8480, 49538), (9010, 46624), (9920, 42347), (9964, 42160), (10540, 39856), (11656, 36040), (12455, 33728), (12784, 32860), (13144, 31960), (14416, 29140), (14570, 28832), (15040, 27931), (15980, 26288), (16430, 25568), (16864, 24910), (16960, 24769), (18020, 23312), (19928, 21080)]