128540790

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2957}}^1$

素因数の和:3003

約数の個数: 128

約数和(自身を含む): 408913920

約数和(自身を除く): 280373130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 27, 30, 35, 42, 45, 46, 54, 63, 69, 70, 90, 105, 115, 126, 135, 138, 161, 189, 207, 210, 230, 270, 315, 322, 345, 378, 414, 483, 621, 630, 690, 805, 945, 966, 1035, 1242, 1449, 1610, 1890, 2070, 2415, 2898, 2957, 3105, 4347, 4830, 5914, 6210, 7245, 8694, 8871, 14490, 14785, 17742, 20699, 21735, 26613, 29570, 41398, 43470, 44355, 53226, 62097, 68011, 79839, 88710, 103495, 124194, 133065, 136022, 159678, 186291, 204033, 206990, 266130, 310485, 340055, 372582, 399195, 408066, 476077, 558873, 612099, 620970, 680110, 798390, 931455, 952154, 1020165, 1117746, 1224198, 1428231, 1836297, 1862910, 2040330, 2380385, 2794365, 2856462, 3060495, 3672594, 4284693, 4760770, 5588730, 6120990, 7141155, 8569386, 9181485, 12854079, 14282310, 18362970, 21423465, 25708158, 42846930, 64270395, 128540790]

約数ペア:

[(1, 128540790), (2, 64270395), (3, 42846930), (5, 25708158), (6, 21423465), (7, 18362970), (9, 14282310), (10, 12854079), (14, 9181485), (15, 8569386), (18, 7141155), (21, 6120990), (23, 5588730), (27, 4760770), (30, 4284693), (35, 3672594), (42, 3060495), (45, 2856462), (46, 2794365), (54, 2380385), (63, 2040330), (69, 1862910), (70, 1836297), (90, 1428231), (105, 1224198), (115, 1117746), (126, 1020165), (135, 952154), (138, 931455), (161, 798390), (189, 680110), (207, 620970), (210, 612099), (230, 558873), (270, 476077), (315, 408066), (322, 399195), (345, 372582), (378, 340055), (414, 310485), (483, 266130), (621, 206990), (630, 204033), (690, 186291), (805, 159678), (945, 136022), (966, 133065), (1035, 124194), (1242, 103495), (1449, 88710), (1610, 79839), (1890, 68011), (2070, 62097), (2415, 53226), (2898, 44355), (2957, 43470), (3105, 41398), (4347, 29570), (4830, 26613), (5914, 21735), (6210, 20699), (7245, 17742), (8694, 14785), (8871, 14490)]