141920480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 378356832

約数和(自身を除く): 236436352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 71, 80, 104, 124, 130, 142, 155, 160, 208, 248, 260, 284, 310, 355, 403, 416, 496, 520, 568, 620, 710, 806, 923, 961, 992, 1040, 1136, 1240, 1420, 1612, 1846, 1922, 2015, 2080, 2201, 2272, 2480, 2840, 3224, 3692, 3844, 4030, 4402, 4615, 4805, 4960, 5680, 6448, 7384, 7688, 8060, 8804, 9230, 9610, 11005, 11360, 12493, 12896, 14768, 15376, 16120, 17608, 18460, 19220, 22010, 24986, 28613, 29536, 30752, 32240, 35216, 36920, 38440, 44020, 49972, 57226, 62465, 64480, 68231, 70432, 73840, 76880, 88040, 99944, 114452, 124930, 136462, 143065, 147680, 153760, 176080, 199888, 228904, 249860, 272924, 286130, 341155, 352160, 399776, 457808, 499720, 545848, 572260, 682310, 887003, 915616, 999440, 1091696, 1144520, 1364620, 1774006, 1998880, 2183392, 2289040, 2729240, 3548012, 4435015, 4578080, 5458480, 7096024, 8870030, 10916960, 14192048, 17740060, 28384096, 35480120, 70960240, 141920480]

約数ペア:

[(1, 141920480), (2, 70960240), (4, 35480120), (5, 28384096), (8, 17740060), (10, 14192048), (13, 10916960), (16, 8870030), (20, 7096024), (26, 5458480), (31, 4578080), (32, 4435015), (40, 3548012), (52, 2729240), (62, 2289040), (65, 2183392), (71, 1998880), (80, 1774006), (104, 1364620), (124, 1144520), (130, 1091696), (142, 999440), (155, 915616), (160, 887003), (208, 682310), (248, 572260), (260, 545848), (284, 499720), (310, 457808), (355, 399776), (403, 352160), (416, 341155), (496, 286130), (520, 272924), (568, 249860), (620, 228904), (710, 199888), (806, 176080), (923, 153760), (961, 147680), (992, 143065), (1040, 136462), (1136, 124930), (1240, 114452), (1420, 99944), (1612, 88040), (1846, 76880), (1922, 73840), (2015, 70432), (2080, 68231), (2201, 64480), (2272, 62465), (2480, 57226), (2840, 49972), (3224, 44020), (3692, 38440), (3844, 36920), (4030, 35216), (4402, 32240), (4615, 30752), (4805, 29536), (4960, 28613), (5680, 24986), (6448, 22010), (7384, 19220), (7688, 18460), (8060, 17608), (8804, 16120), (9230, 15376), (9610, 14768), (11005, 12896), (11360, 12493)]