161004620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1109}}^1$

素因数の和:1203

約数の個数: 96

約数和(自身を含む): 416223360

約数和(自身を除く): 255218740

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 61, 68, 70, 85, 119, 122, 140, 170, 238, 244, 305, 340, 427, 476, 595, 610, 854, 1037, 1109, 1190, 1220, 1708, 2074, 2135, 2218, 2380, 4148, 4270, 4436, 5185, 5545, 7259, 7763, 8540, 10370, 11090, 14518, 15526, 18853, 20740, 22180, 29036, 31052, 36295, 37706, 38815, 67649, 72590, 75412, 77630, 94265, 131971, 135298, 145180, 155260, 188530, 263942, 270596, 338245, 377060, 473543, 527884, 659855, 676490, 947086, 1150033, 1319710, 1352980, 1894172, 2300066, 2367715, 2639420, 4600132, 4735430, 5750165, 8050231, 9470860, 11500330, 16100462, 23000660, 32200924, 40251155, 80502310, 161004620]

約数ペア:

[(1, 161004620), (2, 80502310), (4, 40251155), (5, 32200924), (7, 23000660), (10, 16100462), (14, 11500330), (17, 9470860), (20, 8050231), (28, 5750165), (34, 4735430), (35, 4600132), (61, 2639420), (68, 2367715), (70, 2300066), (85, 1894172), (119, 1352980), (122, 1319710), (140, 1150033), (170, 947086), (238, 676490), (244, 659855), (305, 527884), (340, 473543), (427, 377060), (476, 338245), (595, 270596), (610, 263942), (854, 188530), (1037, 155260), (1109, 145180), (1190, 135298), (1220, 131971), (1708, 94265), (2074, 77630), (2135, 75412), (2218, 72590), (2380, 67649), (4148, 38815), (4270, 37706), (4436, 36295), (5185, 31052), (5545, 29036), (7259, 22180), (7763, 20740), (8540, 18853), (10370, 15526), (11090, 14518)]