640936440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1780379}}^1$

素因数の和:1780396

約数の個数: 48

約数和(自身を含む): 2083044600

約数和(自身を除く): 1442108160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1780379, 3560758, 5341137, 7121516, 8901895, 10682274, 14243032, 16023411, 17803790, 21364548, 26705685, 32046822, 35607580, 42729096, 53411370, 64093644, 71215160, 80117055, 106822740, 128187288, 160234110, 213645480, 320468220, 640936440]

約数ペア:

[(1, 640936440), (2, 320468220), (3, 213645480), (4, 160234110), (5, 128187288), (6, 106822740), (8, 80117055), (9, 71215160), (10, 64093644), (12, 53411370), (15, 42729096), (18, 35607580), (20, 32046822), (24, 26705685), (30, 21364548), (36, 17803790), (40, 16023411), (45, 14243032), (60, 10682274), (72, 8901895), (90, 7121516), (120, 5341137), (180, 3560758), (360, 1780379)]