40980420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 136124352

約数和(自身を除く): 95143932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 83, 90, 117, 130, 156, 166, 180, 195, 211, 234, 249, 260, 332, 390, 415, 422, 468, 498, 585, 633, 747, 780, 830, 844, 996, 1055, 1079, 1170, 1245, 1266, 1494, 1660, 1899, 2110, 2158, 2340, 2490, 2532, 2743, 2988, 3165, 3237, 3735, 3798, 4220, 4316, 4980, 5395, 5486, 6330, 6474, 7470, 7596, 8229, 9495, 9711, 10790, 10972, 12660, 12948, 13715, 14940, 16185, 16458, 17513, 18990, 19422, 21580, 24687, 27430, 32370, 32916, 35026, 37980, 38844, 41145, 48555, 49374, 52539, 54860, 64740, 70052, 82290, 87565, 97110, 98748, 105078, 123435, 157617, 164580, 175130, 194220, 210156, 227669, 246870, 262695, 315234, 350260, 455338, 493740, 525390, 630468, 683007, 788085, 910676, 1050780, 1138345, 1366014, 1576170, 2049021, 2276690, 2732028, 3152340, 3415035, 4098042, 4553380, 6830070, 8196084, 10245105, 13660140, 20490210, 40980420]

約数ペア:

[(1, 40980420), (2, 20490210), (3, 13660140), (4, 10245105), (5, 8196084), (6, 6830070), (9, 4553380), (10, 4098042), (12, 3415035), (13, 3152340), (15, 2732028), (18, 2276690), (20, 2049021), (26, 1576170), (30, 1366014), (36, 1138345), (39, 1050780), (45, 910676), (52, 788085), (60, 683007), (65, 630468), (78, 525390), (83, 493740), (90, 455338), (117, 350260), (130, 315234), (156, 262695), (166, 246870), (180, 227669), (195, 210156), (211, 194220), (234, 175130), (249, 164580), (260, 157617), (332, 123435), (390, 105078), (415, 98748), (422, 97110), (468, 87565), (498, 82290), (585, 70052), (633, 64740), (747, 54860), (780, 52539), (830, 49374), (844, 48555), (996, 41145), (1055, 38844), (1079, 37980), (1170, 35026), (1245, 32916), (1266, 32370), (1494, 27430), (1660, 24687), (1899, 21580), (2110, 19422), (2158, 18990), (2340, 17513), (2490, 16458), (2532, 16185), (2743, 14940), (2988, 13715), (3165, 12948), (3237, 12660), (3735, 10972), (3798, 10790), (4220, 9711), (4316, 9495), (4980, 8229), (5395, 7596), (5486, 7470), (6330, 6474)]