61665680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 149615424

約数和(自身を除く): 87949744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 83, 148, 166, 185, 251, 296, 332, 370, 415, 502, 592, 664, 740, 830, 1004, 1255, 1328, 1480, 1660, 2008, 2510, 2960, 3071, 3320, 4016, 5020, 6142, 6640, 9287, 10040, 12284, 15355, 18574, 20080, 20833, 24568, 30710, 37148, 41666, 46435, 49136, 61420, 74296, 83332, 92870, 104165, 122840, 148592, 166664, 185740, 208330, 245680, 333328, 371480, 416660, 742960, 770821, 833320, 1541642, 1666640, 3083284, 3854105, 6166568, 7708210, 12333136, 15416420, 30832840, 61665680]

約数ペア:

[(1, 61665680), (2, 30832840), (4, 15416420), (5, 12333136), (8, 7708210), (10, 6166568), (16, 3854105), (20, 3083284), (37, 1666640), (40, 1541642), (74, 833320), (80, 770821), (83, 742960), (148, 416660), (166, 371480), (185, 333328), (251, 245680), (296, 208330), (332, 185740), (370, 166664), (415, 148592), (502, 122840), (592, 104165), (664, 92870), (740, 83332), (830, 74296), (1004, 61420), (1255, 49136), (1328, 46435), (1480, 41666), (1660, 37148), (2008, 30710), (2510, 24568), (2960, 20833), (3071, 20080), (3320, 18574), (4016, 15355), (5020, 12284), (6142, 10040), (6640, 9287)]