648651780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1093}}^1$

素因数の和:1275

約数の個数: 192

約数和(自身を含む): 2323130880

約数和(自身を除く): 1674479100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 157, 180, 189, 210, 252, 270, 314, 315, 378, 420, 471, 540, 628, 630, 756, 785, 942, 945, 1093, 1099, 1260, 1413, 1570, 1884, 1890, 2186, 2198, 2355, 2826, 3140, 3279, 3297, 3780, 4239, 4372, 4396, 4710, 5465, 5495, 5652, 6558, 6594, 7065, 7651, 8478, 9420, 9837, 9891, 10930, 10990, 13116, 13188, 14130, 15302, 16395, 16485, 16956, 19674, 19782, 21195, 21860, 21980, 22953, 28260, 29511, 29673, 30604, 32790, 32970, 38255, 39348, 39564, 42390, 45906, 49185, 49455, 59022, 59346, 65580, 65940, 68859, 76510, 84780, 91812, 98370, 98910, 114765, 118044, 118692, 137718, 147555, 148365, 153020, 171601, 196740, 197820, 206577, 229530, 275436, 295110, 296730, 343202, 344295, 413154, 459060, 514803, 590220, 593460, 686404, 688590, 826308, 858005, 1029606, 1032885, 1201207, 1377180, 1544409, 1716010, 2059212, 2065770, 2402414, 2574015, 3088818, 3432020, 3603621, 4131540, 4633227, 4804828, 5148030, 6006035, 6177636, 7207242, 7722045, 9266454, 10296060, 10810863, 12012070, 14414484, 15444090, 18018105, 18532908, 21621726, 23166135, 24024140, 30888180, 32432589, 36036210, 43243452, 46332270, 54054315, 64865178, 72072420, 92664540, 108108630, 129730356, 162162945, 216217260, 324325890, 648651780]

約数ペア:

[(1, 648651780), (2, 324325890), (3, 216217260), (4, 162162945), (5, 129730356), (6, 108108630), (7, 92664540), (9, 72072420), (10, 64865178), (12, 54054315), (14, 46332270), (15, 43243452), (18, 36036210), (20, 32432589), (21, 30888180), (27, 24024140), (28, 23166135), (30, 21621726), (35, 18532908), (36, 18018105), (42, 15444090), (45, 14414484), (54, 12012070), (60, 10810863), (63, 10296060), (70, 9266454), (84, 7722045), (90, 7207242), (105, 6177636), (108, 6006035), (126, 5148030), (135, 4804828), (140, 4633227), (157, 4131540), (180, 3603621), (189, 3432020), (210, 3088818), (252, 2574015), (270, 2402414), (314, 2065770), (315, 2059212), (378, 1716010), (420, 1544409), (471, 1377180), (540, 1201207), (628, 1032885), (630, 1029606), (756, 858005), (785, 826308), (942, 688590), (945, 686404), (1093, 593460), (1099, 590220), (1260, 514803), (1413, 459060), (1570, 413154), (1884, 344295), (1890, 343202), (2186, 296730), (2198, 295110), (2355, 275436), (2826, 229530), (3140, 206577), (3279, 197820), (3297, 196740), (3780, 171601), (4239, 153020), (4372, 148365), (4396, 147555), (4710, 137718), (5465, 118692), (5495, 118044), (5652, 114765), (6558, 98910), (6594, 98370), (7065, 91812), (7651, 84780), (8478, 76510), (9420, 68859), (9837, 65940), (9891, 65580), (10930, 59346), (10990, 59022), (13116, 49455), (13188, 49185), (14130, 45906), (15302, 42390), (16395, 39564), (16485, 39348), (16956, 38255), (19674, 32970), (19782, 32790), (21195, 30604), (21860, 29673), (21980, 29511), (22953, 28260)]