1800195120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{31649}}^1$

素因数の和:31747

約数の個数: 120

約数和(自身を含む): 6122376000

約数和(自身を除く): 4322180880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 3792, 4740, 5688, 6320, 7110, 9480, 11376, 14220, 18960, 28440, 31649, 56880, 63298, 94947, 126596, 158245, 189894, 253192, 284841, 316490, 379788, 474735, 506384, 569682, 632980, 759576, 949470, 1139364, 1265960, 1424205, 1519152, 1898940, 2278728, 2500271, 2531920, 2848410, 3797880, 4557456, 5000542, 5696820, 7500813, 7595760, 10001084, 11393640, 12501355, 15001626, 20002168, 22502439, 22787280, 25002710, 30003252, 37504065, 40004336, 45004878, 50005420, 60006504, 75008130, 90009756, 100010840, 112512195, 120013008, 150016260, 180019512, 200021680, 225024390, 300032520, 360039024, 450048780, 600065040, 900097560, 1800195120]

約数ペア:

[(1, 1800195120), (2, 900097560), (3, 600065040), (4, 450048780), (5, 360039024), (6, 300032520), (8, 225024390), (9, 200021680), (10, 180019512), (12, 150016260), (15, 120013008), (16, 112512195), (18, 100010840), (20, 90009756), (24, 75008130), (30, 60006504), (36, 50005420), (40, 45004878), (45, 40004336), (48, 37504065), (60, 30003252), (72, 25002710), (79, 22787280), (80, 22502439), (90, 20002168), (120, 15001626), (144, 12501355), (158, 11393640), (180, 10001084), (237, 7595760), (240, 7500813), (316, 5696820), (360, 5000542), (395, 4557456), (474, 3797880), (632, 2848410), (711, 2531920), (720, 2500271), (790, 2278728), (948, 1898940), (1185, 1519152), (1264, 1424205), (1422, 1265960), (1580, 1139364), (1896, 949470), (2370, 759576), (2844, 632980), (3160, 569682), (3555, 506384), (3792, 474735), (4740, 379788), (5688, 316490), (6320, 284841), (7110, 253192), (9480, 189894), (11376, 158245), (14220, 126596), (18960, 94947), (28440, 63298), (31649, 56880)]