74679975

素因数分解:

$3^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 146240640

約数和(自身を除く): 71560665

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 243, 285, 405, 475, 513, 647, 675, 855, 1215, 1425, 1539, 1941, 2025, 2565, 3235, 4275, 4617, 5823, 6075, 7695, 9705, 12293, 12825, 16175, 17469, 23085, 29115, 36879, 38475, 48525, 52407, 61465, 87345, 110637, 115425, 145575, 157221, 184395, 262035, 307325, 331911, 436725, 553185, 786105, 921975, 995733, 1310175, 1659555, 2765925, 2987199, 3930525, 4978665, 8297775, 14935995, 24893325, 74679975]

約数ペア:

[(1, 74679975), (3, 24893325), (5, 14935995), (9, 8297775), (15, 4978665), (19, 3930525), (25, 2987199), (27, 2765925), (45, 1659555), (57, 1310175), (75, 995733), (81, 921975), (95, 786105), (135, 553185), (171, 436725), (225, 331911), (243, 307325), (285, 262035), (405, 184395), (475, 157221), (513, 145575), (647, 115425), (675, 110637), (855, 87345), (1215, 61465), (1425, 52407), (1539, 48525), (1941, 38475), (2025, 36879), (2565, 29115), (3235, 23085), (4275, 17469), (4617, 16175), (5823, 12825), (6075, 12293), (7695, 9705)]