1649661440

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{13151}}^1$

素因数の和:13188

約数の個数: 120

約数和(自身を含む): 4601437632

約数和(自身を除く): 2951776192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 2560, 3136, 3584, 3920, 4480, 6272, 7840, 8960, 12544, 13151, 15680, 17920, 25088, 26302, 31360, 52604, 62720, 65755, 92057, 105208, 125440, 131510, 184114, 210416, 263020, 368228, 420832, 460285, 526040, 644399, 736456, 841664, 920570, 1052080, 1288798, 1472912, 1683328, 1841140, 2104160, 2577596, 2945824, 3221995, 3366656, 3682280, 4208320, 5155192, 5891648, 6443990, 6733312, 7364560, 8416640, 10310384, 11783296, 12887980, 14729120, 16833280, 20620768, 23566592, 25775960, 29458240, 33666560, 41241536, 47133184, 51551920, 58916480, 82483072, 103103840, 117832960, 164966144, 206207680, 235665920, 329932288, 412415360, 824830720, 1649661440]

約数ペア:

[(1, 1649661440), (2, 824830720), (4, 412415360), (5, 329932288), (7, 235665920), (8, 206207680), (10, 164966144), (14, 117832960), (16, 103103840), (20, 82483072), (28, 58916480), (32, 51551920), (35, 47133184), (40, 41241536), (49, 33666560), (56, 29458240), (64, 25775960), (70, 23566592), (80, 20620768), (98, 16833280), (112, 14729120), (128, 12887980), (140, 11783296), (160, 10310384), (196, 8416640), (224, 7364560), (245, 6733312), (256, 6443990), (280, 5891648), (320, 5155192), (392, 4208320), (448, 3682280), (490, 3366656), (512, 3221995), (560, 2945824), (640, 2577596), (784, 2104160), (896, 1841140), (980, 1683328), (1120, 1472912), (1280, 1288798), (1568, 1052080), (1792, 920570), (1960, 841664), (2240, 736456), (2560, 644399), (3136, 526040), (3584, 460285), (3920, 420832), (4480, 368228), (6272, 263020), (7840, 210416), (8960, 184114), (12544, 131510), (13151, 125440), (15680, 105208), (17920, 92057), (25088, 65755), (26302, 62720), (31360, 52604)]