1819435520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{101531}}^1$

素因数の和:101561

約数の個数: 80

約数和(自身を含む): 4985627328

約数和(自身を除く): 3166191808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 101531, 203062, 406124, 507655, 710717, 812248, 1015310, 1421434, 1624496, 2030620, 2842868, 3248992, 3553585, 4061240, 5685736, 6497984, 7107170, 8122480, 11371472, 12995968, 14214340, 16244960, 22742944, 25991936, 28428680, 32489920, 45485888, 51983872, 56857360, 64979840, 90971776, 113714720, 129959680, 181943552, 227429440, 259919360, 363887104, 454858880, 909717760, 1819435520]

約数ペア:

[(1, 1819435520), (2, 909717760), (4, 454858880), (5, 363887104), (7, 259919360), (8, 227429440), (10, 181943552), (14, 129959680), (16, 113714720), (20, 90971776), (28, 64979840), (32, 56857360), (35, 51983872), (40, 45485888), (56, 32489920), (64, 28428680), (70, 25991936), (80, 22742944), (112, 16244960), (128, 14214340), (140, 12995968), (160, 11371472), (224, 8122480), (256, 7107170), (280, 6497984), (320, 5685736), (448, 4061240), (512, 3553585), (560, 3248992), (640, 2842868), (896, 2030620), (1120, 1624496), (1280, 1421434), (1792, 1015310), (2240, 812248), (2560, 710717), (3584, 507655), (4480, 406124), (8960, 203062), (17920, 101531)]