257173320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 797610240

約数和(自身を除く): 540436920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 167, 205, 246, 313, 328, 334, 410, 492, 501, 615, 626, 668, 820, 835, 939, 984, 1002, 1230, 1252, 1336, 1565, 1640, 1670, 1878, 2004, 2460, 2504, 2505, 3130, 3340, 3756, 4008, 4695, 4920, 5010, 6260, 6680, 6847, 7512, 9390, 10020, 12520, 12833, 13694, 18780, 20040, 20541, 25666, 27388, 34235, 37560, 38499, 41082, 51332, 52271, 54776, 64165, 68470, 76998, 82164, 102664, 102705, 104542, 128330, 136940, 153996, 156813, 164328, 192495, 205410, 209084, 256660, 261355, 273880, 307992, 313626, 384990, 410820, 418168, 513320, 522710, 627252, 769980, 784065, 821640, 1045420, 1254504, 1539960, 1568130, 2090840, 2143111, 3136260, 4286222, 6272520, 6429333, 8572444, 10715555, 12858666, 17144888, 21431110, 25717332, 32146665, 42862220, 51434664, 64293330, 85724440, 128586660, 257173320]

約数ペア:

[(1, 257173320), (2, 128586660), (3, 85724440), (4, 64293330), (5, 51434664), (6, 42862220), (8, 32146665), (10, 25717332), (12, 21431110), (15, 17144888), (20, 12858666), (24, 10715555), (30, 8572444), (40, 6429333), (41, 6272520), (60, 4286222), (82, 3136260), (120, 2143111), (123, 2090840), (164, 1568130), (167, 1539960), (205, 1254504), (246, 1045420), (313, 821640), (328, 784065), (334, 769980), (410, 627252), (492, 522710), (501, 513320), (615, 418168), (626, 410820), (668, 384990), (820, 313626), (835, 307992), (939, 273880), (984, 261355), (1002, 256660), (1230, 209084), (1252, 205410), (1336, 192495), (1565, 164328), (1640, 156813), (1670, 153996), (1878, 136940), (2004, 128330), (2460, 104542), (2504, 102705), (2505, 102664), (3130, 82164), (3340, 76998), (3756, 68470), (4008, 64165), (4695, 54776), (4920, 52271), (5010, 51332), (6260, 41082), (6680, 38499), (6847, 37560), (7512, 34235), (9390, 27388), (10020, 25666), (12520, 20541), (12833, 20040), (13694, 18780)]