1638950880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{487783}}^1$

素因数の和:487808

約数の個数: 96

約数和(自身を含む): 5900235264

約数和(自身を除く): 4261284384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 487783, 975566, 1463349, 1951132, 2438915, 2926698, 3414481, 3902264, 4877830, 5853396, 6828962, 7316745, 7804528, 9755660, 10243443, 11706792, 13657924, 14633490, 15609056, 17072405, 19511320, 20486886, 23413584, 27315848, 29266980, 34144810, 39022640, 40973772, 46827168, 51217215, 54631696, 58533960, 68289620, 78045280, 81947544, 102434430, 109263392, 117067920, 136579240, 163895088, 204868860, 234135840, 273158480, 327790176, 409737720, 546316960, 819475440, 1638950880]

約数ペア:

[(1, 1638950880), (2, 819475440), (3, 546316960), (4, 409737720), (5, 327790176), (6, 273158480), (7, 234135840), (8, 204868860), (10, 163895088), (12, 136579240), (14, 117067920), (15, 109263392), (16, 102434430), (20, 81947544), (21, 78045280), (24, 68289620), (28, 58533960), (30, 54631696), (32, 51217215), (35, 46827168), (40, 40973772), (42, 39022640), (48, 34144810), (56, 29266980), (60, 27315848), (70, 23413584), (80, 20486886), (84, 19511320), (96, 17072405), (105, 15609056), (112, 14633490), (120, 13657924), (140, 11706792), (160, 10243443), (168, 9755660), (210, 7804528), (224, 7316745), (240, 6828962), (280, 5853396), (336, 4877830), (420, 3902264), (480, 3414481), (560, 2926698), (672, 2438915), (840, 1951132), (1120, 1463349), (1680, 975566), (3360, 487783)]