390485880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{361561}}^1$

素因数の和:361581

約数の個数: 64

約数和(自身を含む): 1301623200

約数和(自身を除く): 911137320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 361561, 723122, 1084683, 1446244, 1807805, 2169366, 2892488, 3254049, 3615610, 4338732, 5423415, 6508098, 7231220, 8677464, 9762147, 10846830, 13016196, 14462440, 16270245, 19524294, 21693660, 26032392, 32540490, 39048588, 43387320, 48810735, 65080980, 78097176, 97621470, 130161960, 195242940, 390485880]

約数ペア:

[(1, 390485880), (2, 195242940), (3, 130161960), (4, 97621470), (5, 78097176), (6, 65080980), (8, 48810735), (9, 43387320), (10, 39048588), (12, 32540490), (15, 26032392), (18, 21693660), (20, 19524294), (24, 16270245), (27, 14462440), (30, 13016196), (36, 10846830), (40, 9762147), (45, 8677464), (54, 7231220), (60, 6508098), (72, 5423415), (90, 4338732), (108, 3615610), (120, 3254049), (135, 2892488), (180, 2169366), (216, 1807805), (270, 1446244), (360, 1084683), (540, 723122), (1080, 361561)]