16620720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3011}}^1$

素因数の和:3050

約数の個数: 80

約数和(自身を含む): 53782272

約数和(自身を除く): 37161552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3011, 5520, 6022, 9033, 12044, 15055, 18066, 24088, 30110, 36132, 45165, 48176, 60220, 69253, 72264, 90330, 120440, 138506, 144528, 180660, 207759, 240880, 277012, 346265, 361320, 415518, 554024, 692530, 722640, 831036, 1038795, 1108048, 1385060, 1662072, 2077590, 2770120, 3324144, 4155180, 5540240, 8310360, 16620720]

約数ペア:

[(1, 16620720), (2, 8310360), (3, 5540240), (4, 4155180), (5, 3324144), (6, 2770120), (8, 2077590), (10, 1662072), (12, 1385060), (15, 1108048), (16, 1038795), (20, 831036), (23, 722640), (24, 692530), (30, 554024), (40, 415518), (46, 361320), (48, 346265), (60, 277012), (69, 240880), (80, 207759), (92, 180660), (115, 144528), (120, 138506), (138, 120440), (184, 90330), (230, 72264), (240, 69253), (276, 60220), (345, 48176), (368, 45165), (460, 36132), (552, 30110), (690, 24088), (920, 18066), (1104, 15055), (1380, 12044), (1840, 9033), (2760, 6022), (3011, 5520)]