145740780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 461435520

約数和(自身を除く): 315694740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 79, 90, 111, 148, 158, 180, 185, 222, 237, 277, 316, 333, 370, 395, 444, 474, 554, 555, 666, 711, 740, 790, 831, 948, 1108, 1110, 1185, 1332, 1385, 1422, 1580, 1662, 1665, 2220, 2370, 2493, 2770, 2844, 2923, 3324, 3330, 3555, 4155, 4740, 4986, 5540, 5846, 6660, 7110, 8310, 8769, 9972, 10249, 11692, 12465, 14220, 14615, 16620, 17538, 20498, 21883, 24930, 26307, 29230, 30747, 35076, 40996, 43766, 43845, 49860, 51245, 52614, 58460, 61494, 65649, 87532, 87690, 92241, 102490, 105228, 109415, 122988, 131298, 131535, 153735, 175380, 184482, 196947, 204980, 218830, 262596, 263070, 307470, 328245, 368964, 393894, 437660, 461205, 526140, 614940, 656490, 787788, 809671, 922410, 984735, 1312980, 1619342, 1844820, 1969470, 2429013, 3238684, 3938940, 4048355, 4858026, 7287039, 8096710, 9716052, 12145065, 14574078, 16193420, 24290130, 29148156, 36435195, 48580260, 72870390, 145740780]

約数ペア:

[(1, 145740780), (2, 72870390), (3, 48580260), (4, 36435195), (5, 29148156), (6, 24290130), (9, 16193420), (10, 14574078), (12, 12145065), (15, 9716052), (18, 8096710), (20, 7287039), (30, 4858026), (36, 4048355), (37, 3938940), (45, 3238684), (60, 2429013), (74, 1969470), (79, 1844820), (90, 1619342), (111, 1312980), (148, 984735), (158, 922410), (180, 809671), (185, 787788), (222, 656490), (237, 614940), (277, 526140), (316, 461205), (333, 437660), (370, 393894), (395, 368964), (444, 328245), (474, 307470), (554, 263070), (555, 262596), (666, 218830), (711, 204980), (740, 196947), (790, 184482), (831, 175380), (948, 153735), (1108, 131535), (1110, 131298), (1185, 122988), (1332, 109415), (1385, 105228), (1422, 102490), (1580, 92241), (1662, 87690), (1665, 87532), (2220, 65649), (2370, 61494), (2493, 58460), (2770, 52614), (2844, 51245), (2923, 49860), (3324, 43845), (3330, 43766), (3555, 40996), (4155, 35076), (4740, 30747), (4986, 29230), (5540, 26307), (5846, 24930), (6660, 21883), (7110, 20498), (8310, 17538), (8769, 16620), (9972, 14615), (10249, 14220), (11692, 12465)]