1291245240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{290821}}^1$

素因数の和:290872

約数の個数: 64

約数和(自身を含む): 3978444960

約数和(自身を除く): 2687199720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 290821, 581642, 872463, 1163284, 1454105, 1744926, 2326568, 2908210, 3489852, 4362315, 5816420, 6979704, 8724630, 10760377, 11632840, 17449260, 21520754, 32281131, 34898520, 43041508, 53801885, 64562262, 86083016, 107603770, 129124524, 161405655, 215207540, 258249048, 322811310, 430415080, 645622620, 1291245240]

約数ペア:

[(1, 1291245240), (2, 645622620), (3, 430415080), (4, 322811310), (5, 258249048), (6, 215207540), (8, 161405655), (10, 129124524), (12, 107603770), (15, 86083016), (20, 64562262), (24, 53801885), (30, 43041508), (37, 34898520), (40, 32281131), (60, 21520754), (74, 17449260), (111, 11632840), (120, 10760377), (148, 8724630), (185, 6979704), (222, 5816420), (296, 4362315), (370, 3489852), (444, 2908210), (555, 2326568), (740, 1744926), (888, 1454105), (1110, 1163284), (1480, 872463), (2220, 581642), (4440, 290821)]