644201280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{223681}}^1$

素因数の和:223704

約数の個数: 84

約数和(自身を含む): 2215793892

約数和(自身を除く): 1571592612

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 223681, 447362, 671043, 894724, 1118405, 1342086, 1789448, 2013129, 2236810, 2684172, 3355215, 3578896, 4026258, 4473620, 5368344, 6710430, 7157792, 8052516, 8947240, 10065645, 10736688, 13420860, 14315584, 16105032, 17894480, 20131290, 21473376, 26841720, 32210064, 35788960, 40262580, 42946752, 53683440, 64420128, 71577920, 80525160, 107366880, 128840256, 161050320, 214733760, 322100640, 644201280]

約数ペア:

[(1, 644201280), (2, 322100640), (3, 214733760), (4, 161050320), (5, 128840256), (6, 107366880), (8, 80525160), (9, 71577920), (10, 64420128), (12, 53683440), (15, 42946752), (16, 40262580), (18, 35788960), (20, 32210064), (24, 26841720), (30, 21473376), (32, 20131290), (36, 17894480), (40, 16105032), (45, 14315584), (48, 13420860), (60, 10736688), (64, 10065645), (72, 8947240), (80, 8052516), (90, 7157792), (96, 6710430), (120, 5368344), (144, 4473620), (160, 4026258), (180, 3578896), (192, 3355215), (240, 2684172), (288, 2236810), (320, 2013129), (360, 1789448), (480, 1342086), (576, 1118405), (720, 894724), (960, 671043), (1440, 447362), (2880, 223681)]