121755040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:387

約数の個数: 144

約数和(自身を含む): 333819360

約数和(自身を除く): 212064320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 152, 160, 176, 190, 209, 220, 242, 304, 331, 352, 380, 418, 440, 484, 605, 608, 662, 760, 836, 880, 968, 1045, 1210, 1324, 1520, 1655, 1672, 1760, 1936, 2090, 2299, 2420, 2648, 3040, 3310, 3344, 3641, 3872, 4180, 4598, 4840, 5296, 6289, 6620, 6688, 7282, 8360, 9196, 9680, 10592, 11495, 12578, 13240, 14564, 16720, 18205, 18392, 19360, 22990, 25156, 26480, 29128, 31445, 33440, 36410, 36784, 40051, 45980, 50312, 52960, 58256, 62890, 69179, 72820, 73568, 80102, 91960, 100624, 116512, 125780, 138358, 145640, 160204, 183920, 200255, 201248, 251560, 276716, 291280, 320408, 345895, 367840, 400510, 503120, 553432, 582560, 640816, 691790, 760969, 801020, 1006240, 1106864, 1281632, 1383580, 1521938, 1602040, 2213728, 2767160, 3043876, 3204080, 3804845, 5534320, 6087752, 6408160, 7609690, 11068640, 12175504, 15219380, 24351008, 30438760, 60877520, 121755040]

約数ペア:

[(1, 121755040), (2, 60877520), (4, 30438760), (5, 24351008), (8, 15219380), (10, 12175504), (11, 11068640), (16, 7609690), (19, 6408160), (20, 6087752), (22, 5534320), (32, 3804845), (38, 3204080), (40, 3043876), (44, 2767160), (55, 2213728), (76, 1602040), (80, 1521938), (88, 1383580), (95, 1281632), (110, 1106864), (121, 1006240), (152, 801020), (160, 760969), (176, 691790), (190, 640816), (209, 582560), (220, 553432), (242, 503120), (304, 400510), (331, 367840), (352, 345895), (380, 320408), (418, 291280), (440, 276716), (484, 251560), (605, 201248), (608, 200255), (662, 183920), (760, 160204), (836, 145640), (880, 138358), (968, 125780), (1045, 116512), (1210, 100624), (1324, 91960), (1520, 80102), (1655, 73568), (1672, 72820), (1760, 69179), (1936, 62890), (2090, 58256), (2299, 52960), (2420, 50312), (2648, 45980), (3040, 40051), (3310, 36784), (3344, 36410), (3641, 33440), (3872, 31445), (4180, 29128), (4598, 26480), (4840, 25156), (5296, 22990), (6289, 19360), (6620, 18392), (6688, 18205), (7282, 16720), (8360, 14564), (9196, 13240), (9680, 12578), (10592, 11495)]