18203880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5231}}^1$

素因数の和:5274

約数の個数: 64

約数和(自身を含む): 56505600

約数和(自身を除く): 38301720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 5231, 10462, 15693, 20924, 26155, 31386, 41848, 52310, 62772, 78465, 104620, 125544, 151699, 156930, 209240, 303398, 313860, 455097, 606796, 627720, 758495, 910194, 1213592, 1516990, 1820388, 2275485, 3033980, 3640776, 4550970, 6067960, 9101940, 18203880]

約数ペア:

[(1, 18203880), (2, 9101940), (3, 6067960), (4, 4550970), (5, 3640776), (6, 3033980), (8, 2275485), (10, 1820388), (12, 1516990), (15, 1213592), (20, 910194), (24, 758495), (29, 627720), (30, 606796), (40, 455097), (58, 313860), (60, 303398), (87, 209240), (116, 156930), (120, 151699), (145, 125544), (174, 104620), (232, 78465), (290, 62772), (348, 52310), (435, 41848), (580, 31386), (696, 26155), (870, 20924), (1160, 15693), (1740, 10462), (3480, 5231)]