19826880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1126

約数の個数: 112

約数和(自身を含む): 66324480

約数和(自身を除く): 46497600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1087, 1140, 1216, 1520, 1824, 2174, 2280, 3040, 3261, 3648, 4348, 4560, 5435, 6080, 6522, 8696, 9120, 10870, 13044, 16305, 17392, 18240, 20653, 21740, 26088, 32610, 34784, 41306, 43480, 52176, 61959, 65220, 69568, 82612, 86960, 103265, 104352, 123918, 130440, 165224, 173920, 206530, 208704, 247836, 260880, 309795, 330448, 347840, 413060, 495672, 521760, 619590, 660896, 826120, 991344, 1043520, 1239180, 1321792, 1652240, 1982688, 2478360, 3304480, 3965376, 4956720, 6608960, 9913440, 19826880]

約数ペア:

[(1, 19826880), (2, 9913440), (3, 6608960), (4, 4956720), (5, 3965376), (6, 3304480), (8, 2478360), (10, 1982688), (12, 1652240), (15, 1321792), (16, 1239180), (19, 1043520), (20, 991344), (24, 826120), (30, 660896), (32, 619590), (38, 521760), (40, 495672), (48, 413060), (57, 347840), (60, 330448), (64, 309795), (76, 260880), (80, 247836), (95, 208704), (96, 206530), (114, 173920), (120, 165224), (152, 130440), (160, 123918), (190, 104352), (192, 103265), (228, 86960), (240, 82612), (285, 69568), (304, 65220), (320, 61959), (380, 52176), (456, 43480), (480, 41306), (570, 34784), (608, 32610), (760, 26088), (912, 21740), (960, 20653), (1087, 18240), (1140, 17392), (1216, 16305), (1520, 13044), (1824, 10870), (2174, 9120), (2280, 8696), (3040, 6522), (3261, 6080), (3648, 5435), (4348, 4560)]