402480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:75

約数の個数: 120

約数和(自身を含む): 1489488

約数和(自身を除く): 1087008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 43, 45, 48, 52, 60, 65, 72, 78, 80, 86, 90, 104, 117, 120, 129, 130, 144, 156, 172, 180, 195, 208, 215, 234, 240, 258, 260, 312, 344, 360, 387, 390, 430, 468, 516, 520, 559, 585, 624, 645, 688, 720, 774, 780, 860, 936, 1032, 1040, 1118, 1170, 1290, 1548, 1560, 1677, 1720, 1872, 1935, 2064, 2236, 2340, 2580, 2795, 3096, 3120, 3354, 3440, 3870, 4472, 4680, 5031, 5160, 5590, 6192, 6708, 7740, 8385, 8944, 9360, 10062, 10320, 11180, 13416, 15480, 16770, 20124, 22360, 25155, 26832, 30960, 33540, 40248, 44720, 50310, 67080, 80496, 100620, 134160, 201240, 402480]

約数ペア:

[(1, 402480), (2, 201240), (3, 134160), (4, 100620), (5, 80496), (6, 67080), (8, 50310), (9, 44720), (10, 40248), (12, 33540), (13, 30960), (15, 26832), (16, 25155), (18, 22360), (20, 20124), (24, 16770), (26, 15480), (30, 13416), (36, 11180), (39, 10320), (40, 10062), (43, 9360), (45, 8944), (48, 8385), (52, 7740), (60, 6708), (65, 6192), (72, 5590), (78, 5160), (80, 5031), (86, 4680), (90, 4472), (104, 3870), (117, 3440), (120, 3354), (129, 3120), (130, 3096), (144, 2795), (156, 2580), (172, 2340), (180, 2236), (195, 2064), (208, 1935), (215, 1872), (234, 1720), (240, 1677), (258, 1560), (260, 1548), (312, 1290), (344, 1170), (360, 1118), (387, 1040), (390, 1032), (430, 936), (468, 860), (516, 780), (520, 774), (559, 720), (585, 688), (624, 645)]