319501280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 192

約数和(自身を含む): 917360640

約数和(自身を除く): 597859360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 79, 80, 92, 112, 115, 140, 157, 158, 160, 161, 184, 224, 230, 280, 314, 316, 322, 368, 395, 460, 553, 560, 628, 632, 644, 736, 785, 790, 805, 920, 1099, 1106, 1120, 1256, 1264, 1288, 1570, 1580, 1610, 1817, 1840, 2198, 2212, 2512, 2528, 2576, 2765, 3140, 3160, 3220, 3611, 3634, 3680, 4396, 4424, 5024, 5152, 5495, 5530, 6280, 6320, 6440, 7222, 7268, 8792, 8848, 9085, 10990, 11060, 12403, 12560, 12640, 12719, 12880, 14444, 14536, 17584, 17696, 18055, 18170, 21980, 22120, 24806, 25120, 25277, 25438, 25760, 28888, 29072, 35168, 36110, 36340, 43960, 44240, 49612, 50554, 50876, 57776, 58144, 62015, 63595, 72220, 72680, 86821, 87920, 88480, 99224, 101108, 101752, 115552, 124030, 126385, 127190, 144440, 145360, 173642, 175840, 198448, 202216, 203504, 248060, 252770, 254380, 285269, 288880, 290720, 347284, 396896, 404432, 407008, 434105, 496120, 505540, 508760, 570538, 577760, 694568, 808864, 868210, 992240, 1011080, 1017520, 1141076, 1389136, 1426345, 1736420, 1984480, 1996883, 2022160, 2035040, 2282152, 2778272, 2852690, 3472840, 3993766, 4044320, 4564304, 5705380, 6945680, 7987532, 9128608, 9984415, 11410760, 13891360, 15975064, 19968830, 22821520, 31950128, 39937660, 45643040, 63900256, 79875320, 159750640, 319501280]

約数ペア:

[(1, 319501280), (2, 159750640), (4, 79875320), (5, 63900256), (7, 45643040), (8, 39937660), (10, 31950128), (14, 22821520), (16, 19968830), (20, 15975064), (23, 13891360), (28, 11410760), (32, 9984415), (35, 9128608), (40, 7987532), (46, 6945680), (56, 5705380), (70, 4564304), (79, 4044320), (80, 3993766), (92, 3472840), (112, 2852690), (115, 2778272), (140, 2282152), (157, 2035040), (158, 2022160), (160, 1996883), (161, 1984480), (184, 1736420), (224, 1426345), (230, 1389136), (280, 1141076), (314, 1017520), (316, 1011080), (322, 992240), (368, 868210), (395, 808864), (460, 694568), (553, 577760), (560, 570538), (628, 508760), (632, 505540), (644, 496120), (736, 434105), (785, 407008), (790, 404432), (805, 396896), (920, 347284), (1099, 290720), (1106, 288880), (1120, 285269), (1256, 254380), (1264, 252770), (1288, 248060), (1570, 203504), (1580, 202216), (1610, 198448), (1817, 175840), (1840, 173642), (2198, 145360), (2212, 144440), (2512, 127190), (2528, 126385), (2576, 124030), (2765, 115552), (3140, 101752), (3160, 101108), (3220, 99224), (3611, 88480), (3634, 87920), (3680, 86821), (4396, 72680), (4424, 72220), (5024, 63595), (5152, 62015), (5495, 58144), (5530, 57776), (6280, 50876), (6320, 50554), (6440, 49612), (7222, 44240), (7268, 43960), (8792, 36340), (8848, 36110), (9085, 35168), (10990, 29072), (11060, 28888), (12403, 25760), (12560, 25438), (12640, 25277), (12719, 25120), (12880, 24806), (14444, 22120), (14536, 21980), (17584, 18170), (17696, 18055)]