1080208640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3889}}^1$

素因数の和:3948

約数の個数: 144

約数和(自身を含む): 3053245440

約数和(自身を除く): 1973036800

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, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2480, 3472, 3889, 3968, 4340, 4480, 4960, 6944, 7778, 7936, 8680, 8960, 9920, 13888, 15556, 17360, 19445, 19840, 27223, 27776, 31112, 34720, 38890, 39680, 54446, 55552, 62224, 69440, 77780, 108892, 120559, 124448, 136115, 138880, 155560, 217784, 241118, 248896, 272230, 277760, 311120, 435568, 482236, 497792, 544460, 602795, 622240, 843913, 871136, 964472, 995584, 1088920, 1205590, 1244480, 1687826, 1742272, 1928944, 2177840, 2411180, 2488960, 3375652, 3484544, 3857888, 4219565, 4355680, 4822360, 4977920, 6751304, 6969088, 7715776, 8439130, 8711360, 9644720, 13502608, 15431552, 16878260, 17422720, 19289440, 27005216, 30863104, 33756520, 34845440, 38578880, 54010432, 67513040, 77157760, 108020864, 135026080, 154315520, 216041728, 270052160, 540104320, 1080208640]

約数ペア:

[(1, 1080208640), (2, 540104320), (4, 270052160), (5, 216041728), (7, 154315520), (8, 135026080), (10, 108020864), (14, 77157760), (16, 67513040), (20, 54010432), (28, 38578880), (31, 34845440), (32, 33756520), (35, 30863104), (40, 27005216), (56, 19289440), (62, 17422720), (64, 16878260), (70, 15431552), (80, 13502608), (112, 9644720), (124, 8711360), (128, 8439130), (140, 7715776), (155, 6969088), (160, 6751304), (217, 4977920), (224, 4822360), (248, 4355680), (256, 4219565), (280, 3857888), (310, 3484544), (320, 3375652), (434, 2488960), (448, 2411180), (496, 2177840), (560, 1928944), (620, 1742272), (640, 1687826), (868, 1244480), (896, 1205590), (992, 1088920), (1085, 995584), (1120, 964472), (1240, 871136), (1280, 843913), (1736, 622240), (1792, 602795), (1984, 544460), (2170, 497792), (2240, 482236), (2480, 435568), (3472, 311120), (3889, 277760), (3968, 272230), (4340, 248896), (4480, 241118), (4960, 217784), (6944, 155560), (7778, 138880), (7936, 136115), (8680, 124448), (8960, 120559), (9920, 108892), (13888, 77780), (15556, 69440), (17360, 62224), (19445, 55552), (19840, 54446), (27223, 39680), (27776, 38890), (31112, 34720)]