764256640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5503}}^1$

素因数の和:5560

約数の個数: 128

約数和(自身を含む): 2155806720

約数和(自身を除く): 1391550080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 5503, 6944, 8680, 9920, 11006, 13888, 17360, 19840, 22012, 27515, 27776, 34720, 38521, 44024, 55030, 69440, 77042, 88048, 110060, 138880, 154084, 170593, 176096, 192605, 220120, 308168, 341186, 352192, 385210, 440240, 616336, 682372, 704384, 770420, 852965, 880480, 1194151, 1232672, 1364744, 1540840, 1705930, 1760960, 2388302, 2465344, 2729488, 3081680, 3411860, 3521920, 4776604, 4930688, 5458976, 5970755, 6163360, 6823720, 9553208, 10917952, 11941510, 12326720, 13647440, 19106416, 21835904, 23883020, 24653440, 27294880, 38212832, 47766040, 54589760, 76425664, 95532080, 109179520, 152851328, 191064160, 382128320, 764256640]

約数ペア:

[(1, 764256640), (2, 382128320), (4, 191064160), (5, 152851328), (7, 109179520), (8, 95532080), (10, 76425664), (14, 54589760), (16, 47766040), (20, 38212832), (28, 27294880), (31, 24653440), (32, 23883020), (35, 21835904), (40, 19106416), (56, 13647440), (62, 12326720), (64, 11941510), (70, 10917952), (80, 9553208), (112, 6823720), (124, 6163360), (128, 5970755), (140, 5458976), (155, 4930688), (160, 4776604), (217, 3521920), (224, 3411860), (248, 3081680), (280, 2729488), (310, 2465344), (320, 2388302), (434, 1760960), (448, 1705930), (496, 1540840), (560, 1364744), (620, 1232672), (640, 1194151), (868, 880480), (896, 852965), (992, 770420), (1085, 704384), (1120, 682372), (1240, 616336), (1736, 440240), (1984, 385210), (2170, 352192), (2240, 341186), (2480, 308168), (3472, 220120), (3968, 192605), (4340, 176096), (4480, 170593), (4960, 154084), (5503, 138880), (6944, 110060), (8680, 88048), (9920, 77042), (11006, 69440), (13888, 55030), (17360, 44024), (19840, 38521), (22012, 34720), (27515, 27776)]