164321080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1781

約数の個数: 128

約数和(自身を含む): 476098560

約数和(自身を除く): 311777480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 868, 1085, 1240, 1364, 1540, 1705, 1721, 1736, 2170, 2387, 2728, 3080, 3410, 3442, 4340, 4774, 6820, 6884, 8605, 8680, 9548, 11935, 12047, 13640, 13768, 17210, 18931, 19096, 23870, 24094, 34420, 37862, 47740, 48188, 53351, 60235, 68840, 75724, 94655, 95480, 96376, 106702, 120470, 132517, 151448, 189310, 213404, 240940, 265034, 266755, 373457, 378620, 426808, 481880, 530068, 533510, 586861, 662585, 746914, 757240, 1060136, 1067020, 1173722, 1325170, 1493828, 1867285, 2134040, 2347444, 2650340, 2934305, 2987656, 3734570, 4108027, 4694888, 5300680, 5868610, 7469140, 8216054, 11737220, 14938280, 16432108, 20540135, 23474440, 32864216, 41080270, 82160540, 164321080]

約数ペア:

[(1, 164321080), (2, 82160540), (4, 41080270), (5, 32864216), (7, 23474440), (8, 20540135), (10, 16432108), (11, 14938280), (14, 11737220), (20, 8216054), (22, 7469140), (28, 5868610), (31, 5300680), (35, 4694888), (40, 4108027), (44, 3734570), (55, 2987656), (56, 2934305), (62, 2650340), (70, 2347444), (77, 2134040), (88, 1867285), (110, 1493828), (124, 1325170), (140, 1173722), (154, 1067020), (155, 1060136), (217, 757240), (220, 746914), (248, 662585), (280, 586861), (308, 533510), (310, 530068), (341, 481880), (385, 426808), (434, 378620), (440, 373457), (616, 266755), (620, 265034), (682, 240940), (770, 213404), (868, 189310), (1085, 151448), (1240, 132517), (1364, 120470), (1540, 106702), (1705, 96376), (1721, 95480), (1736, 94655), (2170, 75724), (2387, 68840), (2728, 60235), (3080, 53351), (3410, 48188), (3442, 47740), (4340, 37862), (4774, 34420), (6820, 24094), (6884, 23870), (8605, 19096), (8680, 18931), (9548, 17210), (11935, 13768), (12047, 13640)]