618128840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:196

約数の個数: 256

約数和(自身を含む): 1791590400

約数和(自身を除く): 1173461560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 59, 62, 68, 70, 71, 85, 118, 119, 124, 136, 140, 142, 155, 170, 217, 236, 238, 248, 280, 284, 295, 310, 340, 355, 413, 434, 472, 476, 497, 527, 568, 590, 595, 620, 680, 710, 826, 868, 952, 994, 1003, 1054, 1085, 1180, 1190, 1207, 1240, 1420, 1652, 1736, 1829, 1988, 2006, 2065, 2108, 2170, 2201, 2360, 2380, 2414, 2485, 2635, 2840, 3304, 3658, 3689, 3976, 4012, 4130, 4189, 4216, 4340, 4402, 4760, 4828, 4970, 5015, 5270, 6035, 7021, 7316, 7378, 8024, 8260, 8378, 8449, 8680, 8804, 9145, 9656, 9940, 10030, 10540, 11005, 12070, 12803, 14042, 14632, 14756, 15407, 16520, 16756, 16898, 17608, 18290, 18445, 19880, 20060, 20945, 21080, 22010, 24140, 25606, 28084, 29323, 29512, 30814, 31093, 33512, 33796, 35105, 36580, 36890, 37417, 40120, 41890, 42245, 44020, 48280, 51212, 56168, 58646, 61628, 62186, 64015, 67592, 70210, 71213, 73160, 73780, 74834, 77035, 83780, 84490, 88040, 102424, 117292, 123256, 124372, 128030, 129859, 140420, 142426, 146615, 147560, 149668, 154070, 155465, 167560, 168980, 187085, 217651, 234584, 248744, 256060, 259718, 261919, 280840, 284852, 293230, 299336, 308140, 310930, 337960, 356065, 374170, 435302, 498491, 512120, 519436, 523838, 569704, 586460, 616280, 621860, 649295, 712130, 748340, 870604, 909013, 996982, 1038872, 1047676, 1088255, 1172920, 1243720, 1298590, 1309595, 1424260, 1496680, 1741208, 1818026, 1993964, 2095352, 2176510, 2207603, 2492455, 2597180, 2619190, 2848520, 3636052, 3987928, 4353020, 4415206, 4545065, 4984910, 5194360, 5238380, 7272104, 8706040, 8830412, 9090130, 9969820, 10476760, 11038015, 15453221, 17660824, 18180260, 19939640, 22076030, 30906442, 36360520, 44152060, 61812884, 77266105, 88304120, 123625768, 154532210, 309064420, 618128840]

約数ペア:

[(1, 618128840), (2, 309064420), (4, 154532210), (5, 123625768), (7, 88304120), (8, 77266105), (10, 61812884), (14, 44152060), (17, 36360520), (20, 30906442), (28, 22076030), (31, 19939640), (34, 18180260), (35, 17660824), (40, 15453221), (56, 11038015), (59, 10476760), (62, 9969820), (68, 9090130), (70, 8830412), (71, 8706040), (85, 7272104), (118, 5238380), (119, 5194360), (124, 4984910), (136, 4545065), (140, 4415206), (142, 4353020), (155, 3987928), (170, 3636052), (217, 2848520), (236, 2619190), (238, 2597180), (248, 2492455), (280, 2207603), (284, 2176510), (295, 2095352), (310, 1993964), (340, 1818026), (355, 1741208), (413, 1496680), (434, 1424260), (472, 1309595), (476, 1298590), (497, 1243720), (527, 1172920), (568, 1088255), (590, 1047676), (595, 1038872), (620, 996982), (680, 909013), (710, 870604), (826, 748340), (868, 712130), (952, 649295), (994, 621860), (1003, 616280), (1054, 586460), (1085, 569704), (1180, 523838), (1190, 519436), (1207, 512120), (1240, 498491), (1420, 435302), (1652, 374170), (1736, 356065), (1829, 337960), (1988, 310930), (2006, 308140), (2065, 299336), (2108, 293230), (2170, 284852), (2201, 280840), (2360, 261919), (2380, 259718), (2414, 256060), (2485, 248744), (2635, 234584), (2840, 217651), (3304, 187085), (3658, 168980), (3689, 167560), (3976, 155465), (4012, 154070), (4130, 149668), (4189, 147560), (4216, 146615), (4340, 142426), (4402, 140420), (4760, 129859), (4828, 128030), (4970, 124372), (5015, 123256), (5270, 117292), (6035, 102424), (7021, 88040), (7316, 84490), (7378, 83780), (8024, 77035), (8260, 74834), (8378, 73780), (8449, 73160), (8680, 71213), (8804, 70210), (9145, 67592), (9656, 64015), (9940, 62186), (10030, 61628), (10540, 58646), (11005, 56168), (12070, 51212), (12803, 48280), (14042, 44020), (14632, 42245), (14756, 41890), (15407, 40120), (16520, 37417), (16756, 36890), (16898, 36580), (17608, 35105), (18290, 33796), (18445, 33512), (19880, 31093), (20060, 30814), (20945, 29512), (21080, 29323), (22010, 28084), (24140, 25606)]