21349988400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{72031}}^1$

素因数の和:72084

約数の個数: 240

約数和(自身を含む): 77529482240

約数和(自身を除く): 56179493840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 25, 26, 30, 38, 39, 40, 48, 50, 52, 57, 60, 65, 75, 76, 78, 80, 95, 100, 104, 114, 120, 130, 150, 152, 156, 190, 195, 200, 208, 228, 240, 247, 260, 285, 300, 304, 312, 325, 380, 390, 400, 456, 475, 494, 520, 570, 600, 624, 650, 741, 760, 780, 912, 950, 975, 988, 1040, 1140, 1200, 1235, 1300, 1425, 1482, 1520, 1560, 1900, 1950, 1976, 2280, 2470, 2600, 2850, 2964, 3120, 3705, 3800, 3900, 3952, 4560, 4940, 5200, 5700, 5928, 6175, 7410, 7600, 7800, 9880, 11400, 11856, 12350, 14820, 15600, 18525, 19760, 22800, 24700, 29640, 37050, 49400, 59280, 72031, 74100, 98800, 144062, 148200, 216093, 288124, 296400, 360155, 432186, 576248, 720310, 864372, 936403, 1080465, 1152496, 1368589, 1440620, 1728744, 1800775, 1872806, 2160930, 2737178, 2809209, 2881240, 3457488, 3601550, 3745612, 4105767, 4321860, 4682015, 5402325, 5474356, 5618418, 5762480, 6842945, 7203100, 7491224, 8211534, 8643720, 9364030, 10804650, 10948712, 11236836, 13685890, 14046045, 14406200, 14982448, 16423068, 17287440, 17791657, 18728060, 20528835, 21609300, 21897424, 22473672, 23410075, 27371780, 28092090, 28812400, 32846136, 34214725, 35583314, 37456120, 41057670, 43218600, 44947344, 46820150, 53374971, 54743560, 56184180, 65692272, 68429450, 70230225, 71166628, 74912240, 82115340, 86437200, 88958285, 93640300, 102644175, 106749942, 109487120, 112368360, 136858900, 140460450, 142333256, 164230680, 177916570, 187280600, 205288350, 213499884, 224736720, 266874855, 273717800, 280920900, 284666512, 328461360, 355833140, 374561200, 410576700, 426999768, 444791425, 533749710, 547435600, 561841800, 711666280, 821153400, 853999536, 889582850, 1067499420, 1123683600, 1334374275, 1423332560, 1642306800, 1779165700, 2134998840, 2668748550, 3558331400, 4269997680, 5337497100, 7116662800, 10674994200, 21349988400]

約数ペア:

[(1, 21349988400), (2, 10674994200), (3, 7116662800), (4, 5337497100), (5, 4269997680), (6, 3558331400), (8, 2668748550), (10, 2134998840), (12, 1779165700), (13, 1642306800), (15, 1423332560), (16, 1334374275), (19, 1123683600), (20, 1067499420), (24, 889582850), (25, 853999536), (26, 821153400), (30, 711666280), (38, 561841800), (39, 547435600), (40, 533749710), (48, 444791425), (50, 426999768), (52, 410576700), (57, 374561200), (60, 355833140), (65, 328461360), (75, 284666512), (76, 280920900), (78, 273717800), (80, 266874855), (95, 224736720), (100, 213499884), (104, 205288350), (114, 187280600), (120, 177916570), (130, 164230680), (150, 142333256), (152, 140460450), (156, 136858900), (190, 112368360), (195, 109487120), (200, 106749942), (208, 102644175), (228, 93640300), (240, 88958285), (247, 86437200), (260, 82115340), (285, 74912240), (300, 71166628), (304, 70230225), (312, 68429450), (325, 65692272), (380, 56184180), (390, 54743560), (400, 53374971), (456, 46820150), (475, 44947344), (494, 43218600), (520, 41057670), (570, 37456120), (600, 35583314), (624, 34214725), (650, 32846136), (741, 28812400), (760, 28092090), (780, 27371780), (912, 23410075), (950, 22473672), (975, 21897424), (988, 21609300), (1040, 20528835), (1140, 18728060), (1200, 17791657), (1235, 17287440), (1300, 16423068), (1425, 14982448), (1482, 14406200), (1520, 14046045), (1560, 13685890), (1900, 11236836), (1950, 10948712), (1976, 10804650), (2280, 9364030), (2470, 8643720), (2600, 8211534), (2850, 7491224), (2964, 7203100), (3120, 6842945), (3705, 5762480), (3800, 5618418), (3900, 5474356), (3952, 5402325), (4560, 4682015), (4940, 4321860), (5200, 4105767), (5700, 3745612), (5928, 3601550), (6175, 3457488), (7410, 2881240), (7600, 2809209), (7800, 2737178), (9880, 2160930), (11400, 1872806), (11856, 1800775), (12350, 1728744), (14820, 1440620), (15600, 1368589), (18525, 1152496), (19760, 1080465), (22800, 936403), (24700, 864372), (29640, 720310), (37050, 576248), (49400, 432186), (59280, 360155), (72031, 296400), (74100, 288124), (98800, 216093), (144062, 148200)]