207744640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:370

約数の個数: 128

約数和(自身を含む): 528376320

約数和(自身を除く): 320631680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 128, 148, 155, 160, 185, 248, 283, 296, 310, 320, 370, 496, 566, 592, 620, 640, 740, 992, 1132, 1147, 1184, 1240, 1415, 1480, 1984, 2264, 2294, 2368, 2480, 2830, 2960, 3968, 4528, 4588, 4736, 4960, 5660, 5735, 5920, 8773, 9056, 9176, 9920, 10471, 11320, 11470, 11840, 17546, 18112, 18352, 19840, 20942, 22640, 22940, 23680, 35092, 36224, 36704, 41884, 43865, 45280, 45880, 52355, 70184, 73408, 83768, 87730, 90560, 91760, 104710, 140368, 146816, 167536, 175460, 181120, 183520, 209420, 280736, 324601, 335072, 350920, 367040, 418840, 561472, 649202, 670144, 701840, 734080, 837680, 1122944, 1298404, 1340288, 1403680, 1623005, 1675360, 2596808, 2807360, 3246010, 3350720, 5193616, 5614720, 6492020, 6701440, 10387232, 12984040, 20774464, 25968080, 41548928, 51936160, 103872320, 207744640]

約数ペア:

[(1, 207744640), (2, 103872320), (4, 51936160), (5, 41548928), (8, 25968080), (10, 20774464), (16, 12984040), (20, 10387232), (31, 6701440), (32, 6492020), (37, 5614720), (40, 5193616), (62, 3350720), (64, 3246010), (74, 2807360), (80, 2596808), (124, 1675360), (128, 1623005), (148, 1403680), (155, 1340288), (160, 1298404), (185, 1122944), (248, 837680), (283, 734080), (296, 701840), (310, 670144), (320, 649202), (370, 561472), (496, 418840), (566, 367040), (592, 350920), (620, 335072), (640, 324601), (740, 280736), (992, 209420), (1132, 183520), (1147, 181120), (1184, 175460), (1240, 167536), (1415, 146816), (1480, 140368), (1984, 104710), (2264, 91760), (2294, 90560), (2368, 87730), (2480, 83768), (2830, 73408), (2960, 70184), (3968, 52355), (4528, 45880), (4588, 45280), (4736, 43865), (4960, 41884), (5660, 36704), (5735, 36224), (5920, 35092), (8773, 23680), (9056, 22940), (9176, 22640), (9920, 20942), (10471, 19840), (11320, 18352), (11470, 18112), (11840, 17546)]