159750640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 160

約数和(自身を含む): 451399680

約数和(自身を除く): 291649040

約数列:

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

約数ペア:

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