291268980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{107}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 927702720

約数和(自身を除く): 636433740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 90, 107, 108, 135, 142, 180, 213, 214, 270, 284, 321, 355, 426, 428, 535, 540, 639, 642, 710, 852, 963, 1065, 1070, 1278, 1284, 1420, 1605, 1917, 1926, 2130, 2140, 2556, 2889, 3195, 3210, 3834, 3852, 4260, 4815, 5041, 5778, 6390, 6420, 7597, 7668, 9585, 9630, 10082, 11556, 12780, 14445, 15123, 15194, 19170, 19260, 20164, 22791, 25205, 28890, 30246, 30388, 37985, 38340, 45369, 45582, 50410, 57780, 60492, 68373, 75615, 75970, 90738, 91164, 100820, 113955, 136107, 136746, 151230, 151940, 181476, 205119, 226845, 227910, 272214, 273492, 302460, 341865, 410238, 453690, 455820, 539387, 544428, 680535, 683730, 820476, 907380, 1025595, 1078774, 1361070, 1367460, 1618161, 2051190, 2157548, 2696935, 2722140, 3236322, 4102380, 4854483, 5393870, 6472644, 8090805, 9708966, 10787740, 14563449, 16181610, 19417932, 24272415, 29126898, 32363220, 48544830, 58253796, 72817245, 97089660, 145634490, 291268980]

約数ペア:

[(1, 291268980), (2, 145634490), (3, 97089660), (4, 72817245), (5, 58253796), (6, 48544830), (9, 32363220), (10, 29126898), (12, 24272415), (15, 19417932), (18, 16181610), (20, 14563449), (27, 10787740), (30, 9708966), (36, 8090805), (45, 6472644), (54, 5393870), (60, 4854483), (71, 4102380), (90, 3236322), (107, 2722140), (108, 2696935), (135, 2157548), (142, 2051190), (180, 1618161), (213, 1367460), (214, 1361070), (270, 1078774), (284, 1025595), (321, 907380), (355, 820476), (426, 683730), (428, 680535), (535, 544428), (540, 539387), (639, 455820), (642, 453690), (710, 410238), (852, 341865), (963, 302460), (1065, 273492), (1070, 272214), (1278, 227910), (1284, 226845), (1420, 205119), (1605, 181476), (1917, 151940), (1926, 151230), (2130, 136746), (2140, 136107), (2556, 113955), (2889, 100820), (3195, 91164), (3210, 90738), (3834, 75970), (3852, 75615), (4260, 68373), (4815, 60492), (5041, 57780), (5778, 50410), (6390, 45582), (6420, 45369), (7597, 38340), (7668, 37985), (9585, 30388), (9630, 30246), (10082, 28890), (11556, 25205), (12780, 22791), (14445, 20164), (15123, 19260), (15194, 19170)]