147649280

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^2$

素因数の和:174

約数の個数: 108

約数和(自身を含む): 371157696

約数和(自身を除く): 223508416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 128, 155, 160, 244, 248, 256, 305, 310, 320, 488, 496, 610, 620, 640, 976, 992, 1220, 1240, 1280, 1891, 1952, 1984, 2440, 2480, 3721, 3782, 3904, 3968, 4880, 4960, 7442, 7564, 7808, 7936, 9455, 9760, 9920, 14884, 15128, 15616, 18605, 18910, 19520, 19840, 29768, 30256, 37210, 37820, 39040, 39680, 59536, 60512, 74420, 75640, 78080, 115351, 119072, 121024, 148840, 151280, 230702, 238144, 242048, 297680, 302560, 461404, 476288, 484096, 576755, 595360, 605120, 922808, 952576, 1153510, 1190720, 1210240, 1845616, 2307020, 2381440, 2420480, 3691232, 4614040, 4762880, 7382464, 9228080, 14764928, 18456160, 29529856, 36912320, 73824640, 147649280]

約数ペア:

[(1, 147649280), (2, 73824640), (4, 36912320), (5, 29529856), (8, 18456160), (10, 14764928), (16, 9228080), (20, 7382464), (31, 4762880), (32, 4614040), (40, 3691232), (61, 2420480), (62, 2381440), (64, 2307020), (80, 1845616), (122, 1210240), (124, 1190720), (128, 1153510), (155, 952576), (160, 922808), (244, 605120), (248, 595360), (256, 576755), (305, 484096), (310, 476288), (320, 461404), (488, 302560), (496, 297680), (610, 242048), (620, 238144), (640, 230702), (976, 151280), (992, 148840), (1220, 121024), (1240, 119072), (1280, 115351), (1891, 78080), (1952, 75640), (1984, 74420), (2440, 60512), (2480, 59536), (3721, 39680), (3782, 39040), (3904, 37820), (3968, 37210), (4880, 30256), (4960, 29768), (7442, 19840), (7564, 19520), (7808, 18910), (7936, 18605), (9455, 15616), (9760, 15128), (9920, 14884)]