1605260020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:379

約数の個数: 192

約数和(自身を含む): 4433425920

約数和(自身を除く): 2828165900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 169, 170, 182, 221, 238, 260, 307, 338, 340, 364, 442, 455, 476, 595, 614, 676, 845, 884, 910, 1105, 1183, 1190, 1228, 1535, 1547, 1690, 1820, 2149, 2197, 2210, 2366, 2380, 2873, 3070, 3094, 3380, 3991, 4298, 4394, 4420, 4732, 5219, 5746, 5915, 6140, 6188, 7735, 7982, 8596, 8788, 10438, 10745, 10985, 11492, 11830, 14365, 15379, 15470, 15964, 19955, 20111, 20876, 21490, 21970, 23660, 26095, 27937, 28730, 30758, 30940, 36533, 37349, 39910, 40222, 42980, 43940, 51883, 52190, 55874, 57460, 61516, 67847, 73066, 74698, 76895, 79820, 80444, 100555, 103766, 104380, 111748, 135694, 139685, 146132, 149396, 153790, 182665, 186745, 201110, 207532, 259415, 261443, 271388, 279370, 307580, 339235, 363181, 365330, 373490, 402220, 474929, 518830, 522886, 558740, 674479, 678470, 726362, 730660, 746980, 882011, 949858, 1037660, 1045772, 1307215, 1348958, 1356940, 1452724, 1764022, 1815905, 1899716, 2374645, 2614430, 2697916, 3372395, 3528044, 3631810, 4410055, 4721353, 4749290, 5228860, 6174077, 6744790, 7263620, 8820110, 9442706, 9498580, 11466143, 12348154, 13489580, 17640220, 18885412, 22932286, 23606765, 24696308, 30870385, 45864572, 47213530, 57330715, 61740770, 80263001, 94427060, 114661430, 123481540, 160526002, 229322860, 321052004, 401315005, 802630010, 1605260020]

約数ペア:

[(1, 1605260020), (2, 802630010), (4, 401315005), (5, 321052004), (7, 229322860), (10, 160526002), (13, 123481540), (14, 114661430), (17, 94427060), (20, 80263001), (26, 61740770), (28, 57330715), (34, 47213530), (35, 45864572), (52, 30870385), (65, 24696308), (68, 23606765), (70, 22932286), (85, 18885412), (91, 17640220), (119, 13489580), (130, 12348154), (140, 11466143), (169, 9498580), (170, 9442706), (182, 8820110), (221, 7263620), (238, 6744790), (260, 6174077), (307, 5228860), (338, 4749290), (340, 4721353), (364, 4410055), (442, 3631810), (455, 3528044), (476, 3372395), (595, 2697916), (614, 2614430), (676, 2374645), (845, 1899716), (884, 1815905), (910, 1764022), (1105, 1452724), (1183, 1356940), (1190, 1348958), (1228, 1307215), (1535, 1045772), (1547, 1037660), (1690, 949858), (1820, 882011), (2149, 746980), (2197, 730660), (2210, 726362), (2366, 678470), (2380, 674479), (2873, 558740), (3070, 522886), (3094, 518830), (3380, 474929), (3991, 402220), (4298, 373490), (4394, 365330), (4420, 363181), (4732, 339235), (5219, 307580), (5746, 279370), (5915, 271388), (6140, 261443), (6188, 259415), (7735, 207532), (7982, 201110), (8596, 186745), (8788, 182665), (10438, 153790), (10745, 149396), (10985, 146132), (11492, 139685), (11830, 135694), (14365, 111748), (15379, 104380), (15470, 103766), (15964, 100555), (19955, 80444), (20111, 79820), (20876, 76895), (21490, 74698), (21970, 73066), (23660, 67847), (26095, 61516), (27937, 57460), (28730, 55874), (30758, 52190), (30940, 51883), (36533, 43940), (37349, 42980), (39910, 40222)]