71625420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 233513280

約数和(自身を除く): 161887860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 89, 90, 102, 153, 170, 178, 180, 204, 255, 263, 267, 306, 340, 356, 445, 510, 526, 534, 612, 765, 789, 801, 890, 1020, 1052, 1068, 1315, 1335, 1513, 1530, 1578, 1602, 1780, 2367, 2630, 2670, 3026, 3060, 3156, 3204, 3945, 4005, 4471, 4539, 4734, 5260, 5340, 6052, 7565, 7890, 8010, 8942, 9078, 9468, 11835, 13413, 13617, 15130, 15780, 16020, 17884, 18156, 22355, 22695, 23407, 23670, 26826, 27234, 30260, 40239, 44710, 45390, 46814, 47340, 53652, 54468, 67065, 68085, 70221, 80478, 89420, 90780, 93628, 117035, 134130, 136170, 140442, 160956, 201195, 210663, 234070, 268260, 272340, 280884, 351105, 397919, 402390, 421326, 468140, 702210, 795838, 804780, 842652, 1053315, 1193757, 1404420, 1591676, 1989595, 2106630, 2387514, 3581271, 3979190, 4213260, 4775028, 5968785, 7162542, 7958380, 11937570, 14325084, 17906355, 23875140, 35812710, 71625420]

約数ペア:

[(1, 71625420), (2, 35812710), (3, 23875140), (4, 17906355), (5, 14325084), (6, 11937570), (9, 7958380), (10, 7162542), (12, 5968785), (15, 4775028), (17, 4213260), (18, 3979190), (20, 3581271), (30, 2387514), (34, 2106630), (36, 1989595), (45, 1591676), (51, 1404420), (60, 1193757), (68, 1053315), (85, 842652), (89, 804780), (90, 795838), (102, 702210), (153, 468140), (170, 421326), (178, 402390), (180, 397919), (204, 351105), (255, 280884), (263, 272340), (267, 268260), (306, 234070), (340, 210663), (356, 201195), (445, 160956), (510, 140442), (526, 136170), (534, 134130), (612, 117035), (765, 93628), (789, 90780), (801, 89420), (890, 80478), (1020, 70221), (1052, 68085), (1068, 67065), (1315, 54468), (1335, 53652), (1513, 47340), (1530, 46814), (1578, 45390), (1602, 44710), (1780, 40239), (2367, 30260), (2630, 27234), (2670, 26826), (3026, 23670), (3060, 23407), (3156, 22695), (3204, 22355), (3945, 18156), (4005, 17884), (4471, 16020), (4539, 15780), (4734, 15130), (5260, 13617), (5340, 13413), (6052, 11835), (7565, 9468), (7890, 9078), (8010, 8942)]