388640320

素因数分解:

$2^6\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:348

約数の個数: 112

約数和(自身を含む): 952731648

約数和(自身を除く): 564091328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 127, 131, 146, 160, 254, 262, 292, 320, 365, 508, 524, 584, 635, 655, 730, 1016, 1048, 1168, 1270, 1310, 1460, 2032, 2096, 2336, 2540, 2620, 2920, 4064, 4192, 4672, 5080, 5240, 5840, 8128, 8384, 9271, 9563, 10160, 10480, 11680, 16637, 18542, 19126, 20320, 20960, 23360, 33274, 37084, 38252, 40640, 41920, 46355, 47815, 66548, 74168, 76504, 83185, 92710, 95630, 133096, 148336, 153008, 166370, 185420, 191260, 266192, 296672, 306016, 332740, 370840, 382520, 532384, 593344, 612032, 665480, 741680, 765040, 1064768, 1214501, 1330960, 1483360, 1530080, 2429002, 2661920, 2966720, 3060160, 4858004, 5323840, 6072505, 9716008, 12145010, 19432016, 24290020, 38864032, 48580040, 77728064, 97160080, 194320160, 388640320]

約数ペア:

[(1, 388640320), (2, 194320160), (4, 97160080), (5, 77728064), (8, 48580040), (10, 38864032), (16, 24290020), (20, 19432016), (32, 12145010), (40, 9716008), (64, 6072505), (73, 5323840), (80, 4858004), (127, 3060160), (131, 2966720), (146, 2661920), (160, 2429002), (254, 1530080), (262, 1483360), (292, 1330960), (320, 1214501), (365, 1064768), (508, 765040), (524, 741680), (584, 665480), (635, 612032), (655, 593344), (730, 532384), (1016, 382520), (1048, 370840), (1168, 332740), (1270, 306016), (1310, 296672), (1460, 266192), (2032, 191260), (2096, 185420), (2336, 166370), (2540, 153008), (2620, 148336), (2920, 133096), (4064, 95630), (4192, 92710), (4672, 83185), (5080, 76504), (5240, 74168), (5840, 66548), (8128, 47815), (8384, 46355), (9271, 41920), (9563, 40640), (10160, 38252), (10480, 37084), (11680, 33274), (16637, 23360), (18542, 20960), (19126, 20320)]