1921040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:120

約数の個数: 80

約数和(自身を含む): 5088960

約数和(自身を除く): 3167920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 59, 74, 80, 88, 110, 118, 148, 176, 185, 220, 236, 295, 296, 370, 407, 440, 472, 590, 592, 649, 740, 814, 880, 944, 1180, 1298, 1480, 1628, 2035, 2183, 2360, 2596, 2960, 3245, 3256, 4070, 4366, 4720, 5192, 6490, 6512, 8140, 8732, 10384, 10915, 12980, 16280, 17464, 21830, 24013, 25960, 32560, 34928, 43660, 48026, 51920, 87320, 96052, 120065, 174640, 192104, 240130, 384208, 480260, 960520, 1921040]

約数ペア:

[(1, 1921040), (2, 960520), (4, 480260), (5, 384208), (8, 240130), (10, 192104), (11, 174640), (16, 120065), (20, 96052), (22, 87320), (37, 51920), (40, 48026), (44, 43660), (55, 34928), (59, 32560), (74, 25960), (80, 24013), (88, 21830), (110, 17464), (118, 16280), (148, 12980), (176, 10915), (185, 10384), (220, 8732), (236, 8140), (295, 6512), (296, 6490), (370, 5192), (407, 4720), (440, 4366), (472, 4070), (590, 3256), (592, 3245), (649, 2960), (740, 2596), (814, 2360), (880, 2183), (944, 2035), (1180, 1628), (1298, 1480)]