1627777760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:497

約数の個数: 192

約数和(自身を含む): 4579835904

約数和(自身を除く): 2952058144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 173, 217, 224, 248, 271, 280, 310, 346, 434, 496, 542, 560, 620, 692, 865, 868, 992, 1084, 1085, 1120, 1211, 1240, 1355, 1384, 1730, 1736, 1897, 2168, 2170, 2422, 2480, 2710, 2768, 3460, 3472, 3794, 4336, 4340, 4844, 4960, 5363, 5420, 5536, 6055, 6920, 6944, 7588, 8401, 8672, 8680, 9485, 9688, 10726, 10840, 12110, 13840, 15176, 16802, 17360, 18970, 19376, 21452, 21680, 24220, 26815, 27680, 30352, 33604, 34720, 37541, 37940, 38752, 42005, 42904, 43360, 46883, 48440, 53630, 58807, 60704, 67208, 75082, 75880, 84010, 85808, 93766, 96880, 107260, 117614, 134416, 150164, 151760, 168020, 171616, 187532, 187705, 193760, 214520, 234415, 235228, 268832, 294035, 300328, 303520, 328181, 336040, 375064, 375410, 429040, 468830, 470456, 588070, 600656, 656362, 672080, 750128, 750820, 858080, 937660, 940912, 1176140, 1201312, 1312724, 1344160, 1453373, 1500256, 1501640, 1640905, 1875320, 1881824, 2352280, 2625448, 2906746, 3003280, 3281810, 3750640, 4704560, 5250896, 5813492, 6006560, 6563620, 7266865, 7501280, 9409120, 10173611, 10501792, 11626984, 13127240, 14533730, 20347222, 23253968, 26254480, 29067460, 40694444, 46507936, 50868055, 52508960, 58134920, 81388888, 101736110, 116269840, 162777776, 203472220, 232539680, 325555552, 406944440, 813888880, 1627777760]

約数ペア:

[(1, 1627777760), (2, 813888880), (4, 406944440), (5, 325555552), (7, 232539680), (8, 203472220), (10, 162777776), (14, 116269840), (16, 101736110), (20, 81388888), (28, 58134920), (31, 52508960), (32, 50868055), (35, 46507936), (40, 40694444), (56, 29067460), (62, 26254480), (70, 23253968), (80, 20347222), (112, 14533730), (124, 13127240), (140, 11626984), (155, 10501792), (160, 10173611), (173, 9409120), (217, 7501280), (224, 7266865), (248, 6563620), (271, 6006560), (280, 5813492), (310, 5250896), (346, 4704560), (434, 3750640), (496, 3281810), (542, 3003280), (560, 2906746), (620, 2625448), (692, 2352280), (865, 1881824), (868, 1875320), (992, 1640905), (1084, 1501640), (1085, 1500256), (1120, 1453373), (1211, 1344160), (1240, 1312724), (1355, 1201312), (1384, 1176140), (1730, 940912), (1736, 937660), (1897, 858080), (2168, 750820), (2170, 750128), (2422, 672080), (2480, 656362), (2710, 600656), (2768, 588070), (3460, 470456), (3472, 468830), (3794, 429040), (4336, 375410), (4340, 375064), (4844, 336040), (4960, 328181), (5363, 303520), (5420, 300328), (5536, 294035), (6055, 268832), (6920, 235228), (6944, 234415), (7588, 214520), (8401, 193760), (8672, 187705), (8680, 187532), (9485, 171616), (9688, 168020), (10726, 151760), (10840, 150164), (12110, 134416), (13840, 117614), (15176, 107260), (16802, 96880), (17360, 93766), (18970, 85808), (19376, 84010), (21452, 75880), (21680, 75082), (24220, 67208), (26815, 60704), (27680, 58807), (30352, 53630), (33604, 48440), (34720, 46883), (37541, 43360), (37940, 42904), (38752, 42005)]