64293320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1039}}^1$

素因数の和:1087

約数の個数: 128

約数和(自身を含む): 188697600

約数和(自身を除く): 124404280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1039, 1105, 1190, 1547, 1768, 1820, 2078, 2210, 2380, 3094, 3640, 4156, 4420, 4760, 5195, 6188, 7273, 7735, 8312, 8840, 10390, 12376, 13507, 14546, 15470, 17663, 20780, 27014, 29092, 30940, 35326, 36365, 41560, 54028, 58184, 61880, 67535, 70652, 72730, 88315, 94549, 108056, 123641, 135070, 141304, 145460, 176630, 189098, 229619, 247282, 270140, 290920, 353260, 378196, 459238, 472745, 494564, 540280, 618205, 706520, 756392, 918476, 945490, 989128, 1148095, 1236410, 1607333, 1836952, 1890980, 2296190, 2472820, 3214666, 3781960, 4592380, 4945640, 6429332, 8036665, 9184760, 12858664, 16073330, 32146660, 64293320]

約数ペア:

[(1, 64293320), (2, 32146660), (4, 16073330), (5, 12858664), (7, 9184760), (8, 8036665), (10, 6429332), (13, 4945640), (14, 4592380), (17, 3781960), (20, 3214666), (26, 2472820), (28, 2296190), (34, 1890980), (35, 1836952), (40, 1607333), (52, 1236410), (56, 1148095), (65, 989128), (68, 945490), (70, 918476), (85, 756392), (91, 706520), (104, 618205), (119, 540280), (130, 494564), (136, 472745), (140, 459238), (170, 378196), (182, 353260), (221, 290920), (238, 270140), (260, 247282), (280, 229619), (340, 189098), (364, 176630), (442, 145460), (455, 141304), (476, 135070), (520, 123641), (595, 108056), (680, 94549), (728, 88315), (884, 72730), (910, 70652), (952, 67535), (1039, 61880), (1105, 58184), (1190, 54028), (1547, 41560), (1768, 36365), (1820, 35326), (2078, 30940), (2210, 29092), (2380, 27014), (3094, 20780), (3640, 17663), (4156, 15470), (4420, 14546), (4760, 13507), (5195, 12376), (6188, 10390), (7273, 8840), (7735, 8312)]