255293880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2731}}^1$

素因数の和:2805

約数の個数: 128

約数和(自身を含む): 826156800

約数和(自身を除く): 570862920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 41, 57, 60, 76, 82, 95, 114, 120, 123, 152, 164, 190, 205, 228, 246, 285, 328, 380, 410, 456, 492, 570, 615, 760, 779, 820, 984, 1140, 1230, 1558, 1640, 2280, 2337, 2460, 2731, 3116, 3895, 4674, 4920, 5462, 6232, 7790, 8193, 9348, 10924, 11685, 13655, 15580, 16386, 18696, 21848, 23370, 27310, 31160, 32772, 40965, 46740, 51889, 54620, 65544, 81930, 93480, 103778, 109240, 111971, 155667, 163860, 207556, 223942, 259445, 311334, 327720, 335913, 415112, 447884, 518890, 559855, 622668, 671826, 778335, 895768, 1037780, 1119710, 1245336, 1343652, 1556670, 1679565, 2075560, 2127449, 2239420, 2687304, 3113340, 3359130, 4254898, 4478840, 6226680, 6382347, 6718260, 8509796, 10637245, 12764694, 13436520, 17019592, 21274490, 25529388, 31911735, 42548980, 51058776, 63823470, 85097960, 127646940, 255293880]

約数ペア:

[(1, 255293880), (2, 127646940), (3, 85097960), (4, 63823470), (5, 51058776), (6, 42548980), (8, 31911735), (10, 25529388), (12, 21274490), (15, 17019592), (19, 13436520), (20, 12764694), (24, 10637245), (30, 8509796), (38, 6718260), (40, 6382347), (41, 6226680), (57, 4478840), (60, 4254898), (76, 3359130), (82, 3113340), (95, 2687304), (114, 2239420), (120, 2127449), (123, 2075560), (152, 1679565), (164, 1556670), (190, 1343652), (205, 1245336), (228, 1119710), (246, 1037780), (285, 895768), (328, 778335), (380, 671826), (410, 622668), (456, 559855), (492, 518890), (570, 447884), (615, 415112), (760, 335913), (779, 327720), (820, 311334), (984, 259445), (1140, 223942), (1230, 207556), (1558, 163860), (1640, 155667), (2280, 111971), (2337, 109240), (2460, 103778), (2731, 93480), (3116, 81930), (3895, 65544), (4674, 54620), (4920, 51889), (5462, 46740), (6232, 40965), (7790, 32772), (8193, 31160), (9348, 27310), (10924, 23370), (11685, 21848), (13655, 18696), (15580, 16386)]