721710

素因数分解:

$2^1\times 3^8\times 5^1\times {\mathrm{11}}^1$

素因数の和:42

約数の個数: 72

約数和(自身を含む): 2125656

約数和(自身を除く): 1403946

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 243, 270, 297, 330, 405, 486, 495, 594, 729, 810, 891, 990, 1215, 1458, 1485, 1782, 2187, 2430, 2673, 2970, 3645, 4374, 4455, 5346, 6561, 7290, 8019, 8910, 10935, 13122, 13365, 16038, 21870, 24057, 26730, 32805, 40095, 48114, 65610, 72171, 80190, 120285, 144342, 240570, 360855, 721710]

約数ペア:

[(1, 721710), (2, 360855), (3, 240570), (5, 144342), (6, 120285), (9, 80190), (10, 72171), (11, 65610), (15, 48114), (18, 40095), (22, 32805), (27, 26730), (30, 24057), (33, 21870), (45, 16038), (54, 13365), (55, 13122), (66, 10935), (81, 8910), (90, 8019), (99, 7290), (110, 6561), (135, 5346), (162, 4455), (165, 4374), (198, 3645), (243, 2970), (270, 2673), (297, 2430), (330, 2187), (405, 1782), (486, 1485), (495, 1458), (594, 1215), (729, 990), (810, 891)]