639867930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{937}}^1$

素因数の和:1080

約数の個数: 128

約数和(自身を含む): 1769983488

約数和(自身を除く): 1130115558

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 103, 130, 170, 195, 206, 221, 255, 309, 390, 442, 510, 515, 618, 663, 937, 1030, 1105, 1326, 1339, 1545, 1751, 1874, 2210, 2678, 2811, 3090, 3315, 3502, 4017, 4685, 5253, 5622, 6630, 6695, 8034, 8755, 9370, 10506, 12181, 13390, 14055, 15929, 17510, 20085, 22763, 24362, 26265, 28110, 31858, 36543, 40170, 45526, 47787, 52530, 60905, 68289, 73086, 79645, 95574, 96511, 113815, 121810, 136578, 159290, 182715, 193022, 207077, 227630, 238935, 289533, 341445, 365430, 414154, 477870, 482555, 579066, 621231, 682890, 965110, 1035385, 1242462, 1254643, 1447665, 1640687, 2070770, 2509286, 2895330, 3106155, 3281374, 3763929, 4922061, 6212310, 6273215, 7527858, 8203435, 9844122, 12546430, 16406870, 18819645, 21328931, 24610305, 37639290, 42657862, 49220610, 63986793, 106644655, 127973586, 213289310, 319933965, 639867930]

約数ペア:

[(1, 639867930), (2, 319933965), (3, 213289310), (5, 127973586), (6, 106644655), (10, 63986793), (13, 49220610), (15, 42657862), (17, 37639290), (26, 24610305), (30, 21328931), (34, 18819645), (39, 16406870), (51, 12546430), (65, 9844122), (78, 8203435), (85, 7527858), (102, 6273215), (103, 6212310), (130, 4922061), (170, 3763929), (195, 3281374), (206, 3106155), (221, 2895330), (255, 2509286), (309, 2070770), (390, 1640687), (442, 1447665), (510, 1254643), (515, 1242462), (618, 1035385), (663, 965110), (937, 682890), (1030, 621231), (1105, 579066), (1326, 482555), (1339, 477870), (1545, 414154), (1751, 365430), (1874, 341445), (2210, 289533), (2678, 238935), (2811, 227630), (3090, 207077), (3315, 193022), (3502, 182715), (4017, 159290), (4685, 136578), (5253, 121810), (5622, 113815), (6630, 96511), (6695, 95574), (8034, 79645), (8755, 73086), (9370, 68289), (10506, 60905), (12181, 52530), (13390, 47787), (14055, 45526), (15929, 40170), (17510, 36543), (20085, 31858), (22763, 28110), (24362, 26265)]