255335880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1411

約数の個数: 128

約数和(自身を含む): 811192320

約数和(自身を除く): 555856440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 71, 92, 115, 120, 138, 142, 184, 213, 230, 276, 284, 345, 355, 426, 460, 552, 568, 690, 710, 852, 920, 1065, 1303, 1380, 1420, 1633, 1704, 2130, 2606, 2760, 2840, 3266, 3909, 4260, 4899, 5212, 6515, 6532, 7818, 8165, 8520, 9798, 10424, 13030, 13064, 15636, 16330, 19545, 19596, 24495, 26060, 29969, 31272, 32660, 39090, 39192, 48990, 52120, 59938, 65320, 78180, 89907, 92513, 97980, 119876, 149845, 156360, 179814, 185026, 195960, 239752, 277539, 299690, 359628, 370052, 449535, 462565, 555078, 599380, 719256, 740104, 899070, 925130, 1110156, 1198760, 1387695, 1798140, 1850260, 2127799, 2220312, 2775390, 3596280, 3700520, 4255598, 5550780, 6383397, 8511196, 10638995, 11101560, 12766794, 17022392, 21277990, 25533588, 31916985, 42555980, 51067176, 63833970, 85111960, 127667940, 255335880]

約数ペア:

[(1, 255335880), (2, 127667940), (3, 85111960), (4, 63833970), (5, 51067176), (6, 42555980), (8, 31916985), (10, 25533588), (12, 21277990), (15, 17022392), (20, 12766794), (23, 11101560), (24, 10638995), (30, 8511196), (40, 6383397), (46, 5550780), (60, 4255598), (69, 3700520), (71, 3596280), (92, 2775390), (115, 2220312), (120, 2127799), (138, 1850260), (142, 1798140), (184, 1387695), (213, 1198760), (230, 1110156), (276, 925130), (284, 899070), (345, 740104), (355, 719256), (426, 599380), (460, 555078), (552, 462565), (568, 449535), (690, 370052), (710, 359628), (852, 299690), (920, 277539), (1065, 239752), (1303, 195960), (1380, 185026), (1420, 179814), (1633, 156360), (1704, 149845), (2130, 119876), (2606, 97980), (2760, 92513), (2840, 89907), (3266, 78180), (3909, 65320), (4260, 59938), (4899, 52120), (5212, 48990), (6515, 39192), (6532, 39090), (7818, 32660), (8165, 31272), (8520, 29969), (9798, 26060), (10424, 24495), (13030, 19596), (13064, 19545), (15636, 16330)]