215420940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:241

約数の個数: 288

約数和(自身を含む): 806682240

約数和(自身を除く): 591261300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 89, 90, 102, 105, 113, 119, 126, 140, 153, 170, 178, 180, 204, 210, 226, 238, 252, 255, 267, 306, 315, 339, 340, 356, 357, 420, 445, 452, 476, 510, 534, 565, 595, 612, 623, 630, 678, 714, 765, 791, 801, 890, 1017, 1020, 1068, 1071, 1130, 1190, 1246, 1260, 1335, 1356, 1428, 1513, 1530, 1582, 1602, 1695, 1780, 1785, 1869, 1921, 2034, 2142, 2260, 2373, 2380, 2492, 2670, 3026, 3060, 3115, 3164, 3204, 3390, 3570, 3738, 3842, 3955, 4005, 4068, 4284, 4539, 4746, 5085, 5340, 5355, 5607, 5763, 6052, 6230, 6780, 7119, 7140, 7476, 7565, 7684, 7910, 8010, 9078, 9345, 9492, 9605, 10057, 10170, 10591, 10710, 11214, 11526, 11865, 12460, 13447, 13617, 14238, 15130, 15820, 16020, 17289, 18156, 18690, 19210, 20114, 20340, 21182, 21420, 22428, 22695, 23052, 23730, 26894, 27234, 28035, 28476, 28815, 30171, 30260, 31773, 34578, 35595, 37380, 38420, 40228, 40341, 42364, 45390, 47460, 50285, 52955, 53788, 54468, 56070, 57630, 60342, 63546, 67235, 68085, 69156, 70399, 71190, 80682, 86445, 90513, 90780, 95319, 100570, 105910, 112140, 115260, 120684, 121023, 127092, 134470, 136170, 140798, 142380, 150855, 158865, 161364, 170969, 172890, 181026, 190638, 201140, 201705, 211197, 211820, 242046, 268940, 272340, 281596, 301710, 317730, 341938, 345780, 351995, 362052, 381276, 403410, 422394, 452565, 476595, 484092, 512907, 603420, 605115, 633591, 635460, 683876, 703990, 806820, 844788, 854845, 905130, 953190, 1025814, 1055985, 1196783, 1210230, 1267182, 1407980, 1538721, 1709690, 1810260, 1906380, 2051628, 2111970, 2393566, 2420460, 2534364, 2564535, 3077442, 3167955, 3419380, 3590349, 4223940, 4787132, 5129070, 5983915, 6154884, 6335910, 7180698, 7693605, 10258140, 10771047, 11967830, 12671820, 14361396, 15387210, 17951745, 21542094, 23935660, 30774420, 35903490, 43084188, 53855235, 71806980, 107710470, 215420940]

約数ペア:

[(1, 215420940), (2, 107710470), (3, 71806980), (4, 53855235), (5, 43084188), (6, 35903490), (7, 30774420), (9, 23935660), (10, 21542094), (12, 17951745), (14, 15387210), (15, 14361396), (17, 12671820), (18, 11967830), (20, 10771047), (21, 10258140), (28, 7693605), (30, 7180698), (34, 6335910), (35, 6154884), (36, 5983915), (42, 5129070), (45, 4787132), (51, 4223940), (60, 3590349), (63, 3419380), (68, 3167955), (70, 3077442), (84, 2564535), (85, 2534364), (89, 2420460), (90, 2393566), (102, 2111970), (105, 2051628), (113, 1906380), (119, 1810260), (126, 1709690), (140, 1538721), (153, 1407980), (170, 1267182), (178, 1210230), (180, 1196783), (204, 1055985), (210, 1025814), (226, 953190), (238, 905130), (252, 854845), (255, 844788), (267, 806820), (306, 703990), (315, 683876), (339, 635460), (340, 633591), (356, 605115), (357, 603420), (420, 512907), (445, 484092), (452, 476595), (476, 452565), (510, 422394), (534, 403410), (565, 381276), (595, 362052), (612, 351995), (623, 345780), (630, 341938), (678, 317730), (714, 301710), (765, 281596), (791, 272340), (801, 268940), (890, 242046), (1017, 211820), (1020, 211197), (1068, 201705), (1071, 201140), (1130, 190638), (1190, 181026), (1246, 172890), (1260, 170969), (1335, 161364), (1356, 158865), (1428, 150855), (1513, 142380), (1530, 140798), (1582, 136170), (1602, 134470), (1695, 127092), (1780, 121023), (1785, 120684), (1869, 115260), (1921, 112140), (2034, 105910), (2142, 100570), (2260, 95319), (2373, 90780), (2380, 90513), (2492, 86445), (2670, 80682), (3026, 71190), (3060, 70399), (3115, 69156), (3164, 68085), (3204, 67235), (3390, 63546), (3570, 60342), (3738, 57630), (3842, 56070), (3955, 54468), (4005, 53788), (4068, 52955), (4284, 50285), (4539, 47460), (4746, 45390), (5085, 42364), (5340, 40341), (5355, 40228), (5607, 38420), (5763, 37380), (6052, 35595), (6230, 34578), (6780, 31773), (7119, 30260), (7140, 30171), (7476, 28815), (7565, 28476), (7684, 28035), (7910, 27234), (8010, 26894), (9078, 23730), (9345, 23052), (9492, 22695), (9605, 22428), (10057, 21420), (10170, 21182), (10591, 20340), (10710, 20114), (11214, 19210), (11526, 18690), (11865, 18156), (12460, 17289), (13447, 16020), (13617, 15820), (14238, 15130)]