18269440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2039}}^1$

素因数の和:2067

約数の個数: 72

約数和(自身を含む): 50037120

約数和(自身を除く): 31767680

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, 560, 640, 896, 1120, 1280, 1792, 2039, 2240, 4078, 4480, 8156, 8960, 10195, 14273, 16312, 20390, 28546, 32624, 40780, 57092, 65248, 71365, 81560, 114184, 130496, 142730, 163120, 228368, 260992, 285460, 326240, 456736, 521984, 570920, 652480, 913472, 1141840, 1304960, 1826944, 2283680, 2609920, 3653888, 4567360, 9134720, 18269440]

約数ペア:

[(1, 18269440), (2, 9134720), (4, 4567360), (5, 3653888), (7, 2609920), (8, 2283680), (10, 1826944), (14, 1304960), (16, 1141840), (20, 913472), (28, 652480), (32, 570920), (35, 521984), (40, 456736), (56, 326240), (64, 285460), (70, 260992), (80, 228368), (112, 163120), (128, 142730), (140, 130496), (160, 114184), (224, 81560), (256, 71365), (280, 65248), (320, 57092), (448, 40780), (560, 32624), (640, 28546), (896, 20390), (1120, 16312), (1280, 14273), (1792, 10195), (2039, 8960), (2240, 8156), (4078, 4480)]