78949120

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1725

約数の個数: 72

約数和(自身を含む): 194335344

約数和(自身を除く): 115386224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 592, 640, 740, 1184, 1280, 1480, 1667, 2368, 2960, 3334, 4736, 5920, 6668, 8335, 9472, 11840, 13336, 16670, 23680, 26672, 33340, 47360, 53344, 61679, 66680, 106688, 123358, 133360, 213376, 246716, 266720, 308395, 426752, 493432, 533440, 616790, 986864, 1066880, 1233580, 1973728, 2133760, 2467160, 3947456, 4934320, 7894912, 9868640, 15789824, 19737280, 39474560, 78949120]

約数ペア:

[(1, 78949120), (2, 39474560), (4, 19737280), (5, 15789824), (8, 9868640), (10, 7894912), (16, 4934320), (20, 3947456), (32, 2467160), (37, 2133760), (40, 1973728), (64, 1233580), (74, 1066880), (80, 986864), (128, 616790), (148, 533440), (160, 493432), (185, 426752), (256, 308395), (296, 266720), (320, 246716), (370, 213376), (592, 133360), (640, 123358), (740, 106688), (1184, 66680), (1280, 61679), (1480, 53344), (1667, 47360), (2368, 33340), (2960, 26672), (3334, 23680), (4736, 16670), (5920, 13336), (6668, 11840), (8335, 9472)]