289884420

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{8521}}^1$

素因数の和:8552

約数の個数: 144

約数和(自身を含む): 1042274688

約数和(自身を除く): 752390268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4860, 5670, 6804, 8505, 8521, 11340, 17010, 17042, 25563, 34020, 34084, 42605, 51126, 59647, 76689, 85210, 102252, 119294, 127815, 153378, 170420, 178941, 230067, 238588, 255630, 298235, 306756, 357882, 383445, 460134, 511260, 536823, 596470, 690201, 715764, 766890, 894705, 920268, 1073646, 1150335, 1192940, 1380402, 1533780, 1610469, 1789410, 2070603, 2147292, 2300670, 2684115, 2760804, 3220938, 3451005, 3578820, 4141206, 4601340, 4831407, 5368230, 6441876, 6902010, 8052345, 8282412, 9662814, 10353015, 10736460, 13804020, 14494221, 16104690, 19325628, 20706030, 24157035, 28988442, 32209380, 41412060, 48314070, 57976884, 72471105, 96628140, 144942210, 289884420]

約数ペア:

[(1, 289884420), (2, 144942210), (3, 96628140), (4, 72471105), (5, 57976884), (6, 48314070), (7, 41412060), (9, 32209380), (10, 28988442), (12, 24157035), (14, 20706030), (15, 19325628), (18, 16104690), (20, 14494221), (21, 13804020), (27, 10736460), (28, 10353015), (30, 9662814), (35, 8282412), (36, 8052345), (42, 6902010), (45, 6441876), (54, 5368230), (60, 4831407), (63, 4601340), (70, 4141206), (81, 3578820), (84, 3451005), (90, 3220938), (105, 2760804), (108, 2684115), (126, 2300670), (135, 2147292), (140, 2070603), (162, 1789410), (180, 1610469), (189, 1533780), (210, 1380402), (243, 1192940), (252, 1150335), (270, 1073646), (315, 920268), (324, 894705), (378, 766890), (405, 715764), (420, 690201), (486, 596470), (540, 536823), (567, 511260), (630, 460134), (756, 383445), (810, 357882), (945, 306756), (972, 298235), (1134, 255630), (1215, 238588), (1260, 230067), (1620, 178941), (1701, 170420), (1890, 153378), (2268, 127815), (2430, 119294), (2835, 102252), (3402, 85210), (3780, 76689), (4860, 59647), (5670, 51126), (6804, 42605), (8505, 34084), (8521, 34020), (11340, 25563), (17010, 17042)]