19972446720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20477}}^1$

素因数の和:20630

約数の個数: 160

約数和(自身を含む): 64355309568

約数和(自身を除く): 44382862848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 480, 508, 512, 635, 640, 762, 768, 960, 1016, 1270, 1280, 1524, 1536, 1905, 1920, 2032, 2540, 2560, 3048, 3810, 3840, 4064, 5080, 6096, 7620, 7680, 8128, 10160, 12192, 15240, 16256, 20320, 20477, 24384, 30480, 32512, 40640, 40954, 48768, 60960, 61431, 65024, 81280, 81908, 97536, 102385, 121920, 122862, 162560, 163816, 195072, 204770, 243840, 245724, 307155, 325120, 327632, 409540, 487680, 491448, 614310, 655264, 819080, 975360, 982896, 1228620, 1310528, 1638160, 1965792, 2457240, 2600579, 2621056, 3276320, 3931584, 4914480, 5201158, 5242112, 6552640, 7801737, 7863168, 9828960, 10402316, 10484224, 13002895, 13105280, 15603474, 15726336, 19657920, 20804632, 26005790, 26210560, 31206948, 31452672, 39008685, 39315840, 41609264, 52011580, 52421120, 62413896, 78017370, 78631680, 83218528, 104023160, 124827792, 156034740, 157263360, 166437056, 208046320, 249655584, 312069480, 332874112, 416092640, 499311168, 624138960, 665748224, 832185280, 998622336, 1248277920, 1331496448, 1664370560, 1997244672, 2496555840, 3328741120, 3994489344, 4993111680, 6657482240, 9986223360, 19972446720]

約数ペア:

[(1, 19972446720), (2, 9986223360), (3, 6657482240), (4, 4993111680), (5, 3994489344), (6, 3328741120), (8, 2496555840), (10, 1997244672), (12, 1664370560), (15, 1331496448), (16, 1248277920), (20, 998622336), (24, 832185280), (30, 665748224), (32, 624138960), (40, 499311168), (48, 416092640), (60, 332874112), (64, 312069480), (80, 249655584), (96, 208046320), (120, 166437056), (127, 157263360), (128, 156034740), (160, 124827792), (192, 104023160), (240, 83218528), (254, 78631680), (256, 78017370), (320, 62413896), (381, 52421120), (384, 52011580), (480, 41609264), (508, 39315840), (512, 39008685), (635, 31452672), (640, 31206948), (762, 26210560), (768, 26005790), (960, 20804632), (1016, 19657920), (1270, 15726336), (1280, 15603474), (1524, 13105280), (1536, 13002895), (1905, 10484224), (1920, 10402316), (2032, 9828960), (2540, 7863168), (2560, 7801737), (3048, 6552640), (3810, 5242112), (3840, 5201158), (4064, 4914480), (5080, 3931584), (6096, 3276320), (7620, 2621056), (7680, 2600579), (8128, 2457240), (10160, 1965792), (12192, 1638160), (15240, 1310528), (16256, 1228620), (20320, 982896), (20477, 975360), (24384, 819080), (30480, 655264), (32512, 614310), (40640, 491448), (40954, 487680), (48768, 409540), (60960, 327632), (61431, 325120), (65024, 307155), (81280, 245724), (81908, 243840), (97536, 204770), (102385, 195072), (121920, 163816), (122862, 162560)]