320480880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16903}}^1$

素因数の和:16998

約数の個数: 80

約数和(自身を含む): 1006126080

約数和(自身を除く): 685645200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4740, 6320, 9480, 16903, 18960, 33806, 50709, 67612, 84515, 101418, 135224, 169030, 202836, 253545, 270448, 338060, 405672, 507090, 676120, 811344, 1014180, 1335337, 1352240, 2028360, 2670674, 4006011, 4056720, 5341348, 6676685, 8012022, 10682696, 13353370, 16024044, 20030055, 21365392, 26706740, 32048088, 40060110, 53413480, 64096176, 80120220, 106826960, 160240440, 320480880]

約数ペア:

[(1, 320480880), (2, 160240440), (3, 106826960), (4, 80120220), (5, 64096176), (6, 53413480), (8, 40060110), (10, 32048088), (12, 26706740), (15, 21365392), (16, 20030055), (20, 16024044), (24, 13353370), (30, 10682696), (40, 8012022), (48, 6676685), (60, 5341348), (79, 4056720), (80, 4006011), (120, 2670674), (158, 2028360), (237, 1352240), (240, 1335337), (316, 1014180), (395, 811344), (474, 676120), (632, 507090), (790, 405672), (948, 338060), (1185, 270448), (1264, 253545), (1580, 202836), (1896, 169030), (2370, 135224), (3160, 101418), (3792, 84515), (4740, 67612), (6320, 50709), (9480, 33806), (16903, 18960)]