686865760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:397

約数の個数: 192

約数和(自身を含む): 1947746304

約数和(自身を除く): 1260880544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 73, 80, 112, 124, 140, 146, 155, 160, 217, 224, 248, 271, 280, 292, 310, 365, 434, 496, 511, 542, 560, 584, 620, 730, 868, 992, 1022, 1084, 1085, 1120, 1168, 1240, 1355, 1460, 1736, 1897, 2044, 2168, 2170, 2263, 2336, 2480, 2555, 2710, 2920, 3472, 3794, 4088, 4336, 4340, 4526, 4960, 5110, 5420, 5840, 6944, 7588, 8176, 8401, 8672, 8680, 9052, 9485, 10220, 10840, 11315, 11680, 15176, 15841, 16352, 16802, 17360, 18104, 18970, 19783, 20440, 21680, 22630, 30352, 31682, 33604, 34720, 36208, 37940, 39566, 40880, 42005, 43360, 45260, 58807, 60704, 63364, 67208, 72416, 75880, 79132, 79205, 81760, 84010, 90520, 98915, 117614, 126728, 134416, 138481, 151760, 158264, 158410, 168020, 181040, 197830, 235228, 253456, 268832, 276962, 294035, 303520, 316528, 316820, 336040, 362080, 395660, 470456, 506912, 553924, 588070, 613273, 633056, 633640, 672080, 692405, 791320, 940912, 1107848, 1176140, 1226546, 1267280, 1344160, 1384810, 1582640, 1881824, 2215696, 2352280, 2453092, 2534560, 2769620, 3066365, 3165280, 4292911, 4431392, 4704560, 4906184, 5539240, 6132730, 8585822, 9409120, 9812368, 11078480, 12265460, 17171644, 19624736, 21464555, 22156960, 24530920, 34343288, 42929110, 49061840, 68686576, 85858220, 98123680, 137373152, 171716440, 343432880, 686865760]

約数ペア:

[(1, 686865760), (2, 343432880), (4, 171716440), (5, 137373152), (7, 98123680), (8, 85858220), (10, 68686576), (14, 49061840), (16, 42929110), (20, 34343288), (28, 24530920), (31, 22156960), (32, 21464555), (35, 19624736), (40, 17171644), (56, 12265460), (62, 11078480), (70, 9812368), (73, 9409120), (80, 8585822), (112, 6132730), (124, 5539240), (140, 4906184), (146, 4704560), (155, 4431392), (160, 4292911), (217, 3165280), (224, 3066365), (248, 2769620), (271, 2534560), (280, 2453092), (292, 2352280), (310, 2215696), (365, 1881824), (434, 1582640), (496, 1384810), (511, 1344160), (542, 1267280), (560, 1226546), (584, 1176140), (620, 1107848), (730, 940912), (868, 791320), (992, 692405), (1022, 672080), (1084, 633640), (1085, 633056), (1120, 613273), (1168, 588070), (1240, 553924), (1355, 506912), (1460, 470456), (1736, 395660), (1897, 362080), (2044, 336040), (2168, 316820), (2170, 316528), (2263, 303520), (2336, 294035), (2480, 276962), (2555, 268832), (2710, 253456), (2920, 235228), (3472, 197830), (3794, 181040), (4088, 168020), (4336, 158410), (4340, 158264), (4526, 151760), (4960, 138481), (5110, 134416), (5420, 126728), (5840, 117614), (6944, 98915), (7588, 90520), (8176, 84010), (8401, 81760), (8672, 79205), (8680, 79132), (9052, 75880), (9485, 72416), (10220, 67208), (10840, 63364), (11315, 60704), (11680, 58807), (15176, 45260), (15841, 43360), (16352, 42005), (16802, 40880), (17360, 39566), (18104, 37940), (18970, 36208), (19783, 34720), (20440, 33604), (21680, 31682), (22630, 30352)]