1865156920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:758

約数の個数: 128

約数和(自身を含む): 4710156480

約数和(自身を除く): 2844999560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 121, 212, 220, 242, 265, 424, 440, 484, 530, 583, 605, 661, 968, 1060, 1166, 1210, 1322, 1331, 2120, 2332, 2420, 2644, 2662, 2915, 3305, 4664, 4840, 5288, 5324, 5830, 6413, 6610, 6655, 7271, 10648, 11660, 12826, 13220, 13310, 14542, 23320, 25652, 26440, 26620, 29084, 32065, 35033, 36355, 51304, 53240, 58168, 64130, 70066, 70543, 72710, 79981, 128260, 140132, 141086, 145420, 159962, 175165, 256520, 280264, 282172, 290840, 319924, 350330, 352715, 385363, 399905, 564344, 639848, 700660, 705430, 770726, 799810, 879791, 1401320, 1410860, 1541452, 1599620, 1759582, 1926815, 2821720, 3082904, 3199240, 3519164, 3853630, 4238993, 4398955, 7038328, 7707260, 8477986, 8797910, 15414520, 16955972, 17595820, 21194965, 33911944, 35191640, 42389930, 46628923, 84779860, 93257846, 169559720, 186515692, 233144615, 373031384, 466289230, 932578460, 1865156920]

約数ペア:

[(1, 1865156920), (2, 932578460), (4, 466289230), (5, 373031384), (8, 233144615), (10, 186515692), (11, 169559720), (20, 93257846), (22, 84779860), (40, 46628923), (44, 42389930), (53, 35191640), (55, 33911944), (88, 21194965), (106, 17595820), (110, 16955972), (121, 15414520), (212, 8797910), (220, 8477986), (242, 7707260), (265, 7038328), (424, 4398955), (440, 4238993), (484, 3853630), (530, 3519164), (583, 3199240), (605, 3082904), (661, 2821720), (968, 1926815), (1060, 1759582), (1166, 1599620), (1210, 1541452), (1322, 1410860), (1331, 1401320), (2120, 879791), (2332, 799810), (2420, 770726), (2644, 705430), (2662, 700660), (2915, 639848), (3305, 564344), (4664, 399905), (4840, 385363), (5288, 352715), (5324, 350330), (5830, 319924), (6413, 290840), (6610, 282172), (6655, 280264), (7271, 256520), (10648, 175165), (11660, 159962), (12826, 145420), (13220, 141086), (13310, 140132), (14542, 128260), (23320, 79981), (25652, 72710), (26440, 70543), (26620, 70066), (29084, 64130), (32065, 58168), (35033, 53240), (36355, 51304)]