80885490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:336

約数の個数: 128

約数和(自身を含む): 238049280

約数和(自身を除く): 157163790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 139, 163, 170, 210, 238, 255, 278, 326, 357, 417, 489, 510, 595, 695, 714, 815, 834, 973, 978, 1141, 1190, 1390, 1630, 1785, 1946, 2085, 2282, 2363, 2445, 2771, 2919, 3423, 3570, 4170, 4726, 4865, 4890, 5542, 5705, 5838, 6846, 7089, 8313, 9730, 11410, 11815, 13855, 14178, 14595, 16541, 16626, 17115, 19397, 22657, 23630, 27710, 29190, 33082, 34230, 35445, 38794, 41565, 45314, 49623, 58191, 67971, 70890, 82705, 83130, 96985, 99246, 113285, 116382, 135942, 158599, 165410, 193970, 226570, 248115, 290955, 317198, 339855, 385169, 475797, 496230, 581910, 679710, 770338, 792995, 951594, 1155507, 1585990, 1925845, 2311014, 2378985, 2696183, 3851690, 4757970, 5392366, 5777535, 8088549, 11555070, 13480915, 16177098, 26961830, 40442745, 80885490]

約数ペア:

[(1, 80885490), (2, 40442745), (3, 26961830), (5, 16177098), (6, 13480915), (7, 11555070), (10, 8088549), (14, 5777535), (15, 5392366), (17, 4757970), (21, 3851690), (30, 2696183), (34, 2378985), (35, 2311014), (42, 1925845), (51, 1585990), (70, 1155507), (85, 951594), (102, 792995), (105, 770338), (119, 679710), (139, 581910), (163, 496230), (170, 475797), (210, 385169), (238, 339855), (255, 317198), (278, 290955), (326, 248115), (357, 226570), (417, 193970), (489, 165410), (510, 158599), (595, 135942), (695, 116382), (714, 113285), (815, 99246), (834, 96985), (973, 83130), (978, 82705), (1141, 70890), (1190, 67971), (1390, 58191), (1630, 49623), (1785, 45314), (1946, 41565), (2085, 38794), (2282, 35445), (2363, 34230), (2445, 33082), (2771, 29190), (2919, 27710), (3423, 23630), (3570, 22657), (4170, 19397), (4726, 17115), (4865, 16626), (4890, 16541), (5542, 14595), (5705, 14178), (5838, 13855), (6846, 11815), (7089, 11410), (8313, 9730)]