1281227520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:331

約数の個数: 288

約数和(自身を含む): 4332625920

約数和(自身を除く): 3051398400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 47, 48, 60, 62, 64, 80, 93, 94, 96, 120, 124, 128, 141, 155, 160, 186, 188, 192, 229, 235, 240, 248, 256, 282, 310, 320, 372, 376, 384, 458, 465, 470, 480, 496, 564, 620, 640, 687, 705, 744, 752, 768, 916, 930, 940, 960, 992, 1128, 1145, 1240, 1280, 1374, 1410, 1457, 1488, 1504, 1832, 1860, 1880, 1920, 1984, 2256, 2290, 2480, 2748, 2820, 2914, 2976, 3008, 3435, 3664, 3720, 3760, 3840, 3968, 4371, 4512, 4580, 4960, 5496, 5640, 5828, 5952, 6016, 6870, 7099, 7285, 7328, 7440, 7520, 7936, 8742, 9024, 9160, 9920, 10763, 10992, 11280, 11656, 11904, 12032, 13740, 14198, 14570, 14656, 14880, 15040, 17484, 18048, 18320, 19840, 21297, 21526, 21855, 21984, 22560, 23312, 23808, 27480, 28396, 29140, 29312, 29760, 30080, 32289, 34968, 35495, 36096, 36640, 39680, 42594, 43052, 43710, 43968, 45120, 46624, 53815, 54960, 56792, 58280, 58624, 59520, 60160, 64578, 69936, 70990, 73280, 85188, 86104, 87420, 87936, 90240, 93248, 106485, 107630, 109920, 113584, 116560, 119040, 129156, 139872, 141980, 146560, 161445, 170376, 172208, 174840, 175872, 180480, 186496, 212970, 215260, 219840, 227168, 233120, 258312, 279744, 283960, 293120, 322890, 333653, 340752, 344416, 349680, 372992, 425940, 430520, 439680, 454336, 466240, 516624, 559488, 567920, 645780, 667306, 681504, 688832, 699360, 851880, 861040, 879360, 908672, 932480, 1000959, 1033248, 1118976, 1135840, 1291560, 1334612, 1363008, 1377664, 1398720, 1668265, 1703760, 1722080, 1817344, 1864960, 2001918, 2066496, 2271680, 2583120, 2669224, 2726016, 2755328, 2797440, 3336530, 3407520, 3444160, 4003836, 4132992, 4543360, 5004795, 5166240, 5338448, 5452032, 5594880, 6673060, 6815040, 6888320, 8007672, 8265984, 9086720, 10009590, 10332480, 10676896, 13346120, 13630080, 13776640, 16015344, 20019180, 20664960, 21353792, 26692240, 27260160, 32030688, 40038360, 41329920, 42707584, 53384480, 64061376, 80076720, 85415168, 106768960, 128122752, 160153440, 213537920, 256245504, 320306880, 427075840, 640613760, 1281227520]

約数ペア:

[(1, 1281227520), (2, 640613760), (3, 427075840), (4, 320306880), (5, 256245504), (6, 213537920), (8, 160153440), (10, 128122752), (12, 106768960), (15, 85415168), (16, 80076720), (20, 64061376), (24, 53384480), (30, 42707584), (31, 41329920), (32, 40038360), (40, 32030688), (47, 27260160), (48, 26692240), (60, 21353792), (62, 20664960), (64, 20019180), (80, 16015344), (93, 13776640), (94, 13630080), (96, 13346120), (120, 10676896), (124, 10332480), (128, 10009590), (141, 9086720), (155, 8265984), (160, 8007672), (186, 6888320), (188, 6815040), (192, 6673060), (229, 5594880), (235, 5452032), (240, 5338448), (248, 5166240), (256, 5004795), (282, 4543360), (310, 4132992), (320, 4003836), (372, 3444160), (376, 3407520), (384, 3336530), (458, 2797440), (465, 2755328), (470, 2726016), (480, 2669224), (496, 2583120), (564, 2271680), (620, 2066496), (640, 2001918), (687, 1864960), (705, 1817344), (744, 1722080), (752, 1703760), (768, 1668265), (916, 1398720), (930, 1377664), (940, 1363008), (960, 1334612), (992, 1291560), (1128, 1135840), (1145, 1118976), (1240, 1033248), (1280, 1000959), (1374, 932480), (1410, 908672), (1457, 879360), (1488, 861040), (1504, 851880), (1832, 699360), (1860, 688832), (1880, 681504), (1920, 667306), (1984, 645780), (2256, 567920), (2290, 559488), (2480, 516624), (2748, 466240), (2820, 454336), (2914, 439680), (2976, 430520), (3008, 425940), (3435, 372992), (3664, 349680), (3720, 344416), (3760, 340752), (3840, 333653), (3968, 322890), (4371, 293120), (4512, 283960), (4580, 279744), (4960, 258312), (5496, 233120), (5640, 227168), (5828, 219840), (5952, 215260), (6016, 212970), (6870, 186496), (7099, 180480), (7285, 175872), (7328, 174840), (7440, 172208), (7520, 170376), (7936, 161445), (8742, 146560), (9024, 141980), (9160, 139872), (9920, 129156), (10763, 119040), (10992, 116560), (11280, 113584), (11656, 109920), (11904, 107630), (12032, 106485), (13740, 93248), (14198, 90240), (14570, 87936), (14656, 87420), (14880, 86104), (15040, 85188), (17484, 73280), (18048, 70990), (18320, 69936), (19840, 64578), (21297, 60160), (21526, 59520), (21855, 58624), (21984, 58280), (22560, 56792), (23312, 54960), (23808, 53815), (27480, 46624), (28396, 45120), (29140, 43968), (29312, 43710), (29760, 43052), (30080, 42594), (32289, 39680), (34968, 36640), (35495, 36096)]