28502040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33931}}^1$

素因数の和:33952

約数の個数: 64

約数和(自身を含む): 97724160

約数和(自身を除く): 69222120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33931, 67862, 101793, 135724, 169655, 203586, 237517, 271448, 339310, 407172, 475034, 508965, 678620, 712551, 814344, 950068, 1017930, 1187585, 1357240, 1425102, 1900136, 2035860, 2375170, 2850204, 3562755, 4071720, 4750340, 5700408, 7125510, 9500680, 14251020, 28502040]

約数ペア:

[(1, 28502040), (2, 14251020), (3, 9500680), (4, 7125510), (5, 5700408), (6, 4750340), (7, 4071720), (8, 3562755), (10, 2850204), (12, 2375170), (14, 2035860), (15, 1900136), (20, 1425102), (21, 1357240), (24, 1187585), (28, 1017930), (30, 950068), (35, 814344), (40, 712551), (42, 678620), (56, 508965), (60, 475034), (70, 407172), (84, 339310), (105, 271448), (120, 237517), (140, 203586), (168, 169655), (210, 135724), (280, 101793), (420, 67862), (840, 33931)]