281324070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 256

約数和(自身を含む): 857088000

約数和(自身を除く): 575763930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 29, 30, 31, 38, 45, 54, 57, 58, 61, 62, 87, 90, 93, 95, 114, 122, 135, 145, 155, 171, 174, 183, 186, 190, 261, 270, 279, 285, 290, 305, 310, 342, 366, 435, 465, 513, 522, 549, 551, 558, 570, 589, 610, 783, 837, 855, 870, 899, 915, 930, 1026, 1098, 1102, 1159, 1178, 1305, 1395, 1566, 1647, 1653, 1674, 1710, 1767, 1769, 1798, 1830, 1891, 2318, 2565, 2610, 2697, 2745, 2755, 2790, 2945, 3294, 3306, 3477, 3534, 3538, 3782, 3915, 4185, 4495, 4959, 5130, 5301, 5307, 5394, 5490, 5510, 5673, 5795, 5890, 6954, 7830, 8091, 8235, 8265, 8370, 8835, 8845, 8990, 9455, 9918, 10431, 10602, 10614, 11346, 11590, 13485, 14877, 15903, 15921, 16182, 16470, 16530, 17019, 17081, 17385, 17670, 17690, 18910, 20862, 24273, 24795, 26505, 26535, 26970, 28365, 29754, 31293, 31806, 31842, 33611, 34038, 34162, 34770, 35929, 40455, 47763, 48546, 49590, 51057, 51243, 52155, 53010, 53070, 54839, 56730, 62586, 67222, 71858, 74385, 79515, 79605, 80910, 85095, 85405, 95526, 100833, 102114, 102486, 104310, 107787, 109678, 121365, 148770, 153729, 156465, 159030, 159210, 164517, 168055, 170190, 170810, 179645, 201666, 215574, 238815, 242730, 255285, 256215, 274195, 302499, 307458, 312930, 323361, 329034, 336110, 359290, 461187, 477630, 493551, 504165, 510570, 512430, 538935, 548390, 604998, 646722, 768645, 822585, 907497, 922374, 970083, 987102, 1008330, 1041941, 1077870, 1480653, 1512495, 1537290, 1616805, 1645170, 1814994, 1940166, 2083882, 2305935, 2467755, 2961306, 3024990, 3125823, 3233610, 4537485, 4611870, 4850415, 4935510, 5209705, 6251646, 7403265, 9074970, 9377469, 9700830, 10419410, 14806530, 15629115, 18754938, 28132407, 31258230, 46887345, 56264814, 93774690, 140662035, 281324070]

約数ペア:

[(1, 281324070), (2, 140662035), (3, 93774690), (5, 56264814), (6, 46887345), (9, 31258230), (10, 28132407), (15, 18754938), (18, 15629115), (19, 14806530), (27, 10419410), (29, 9700830), (30, 9377469), (31, 9074970), (38, 7403265), (45, 6251646), (54, 5209705), (57, 4935510), (58, 4850415), (61, 4611870), (62, 4537485), (87, 3233610), (90, 3125823), (93, 3024990), (95, 2961306), (114, 2467755), (122, 2305935), (135, 2083882), (145, 1940166), (155, 1814994), (171, 1645170), (174, 1616805), (183, 1537290), (186, 1512495), (190, 1480653), (261, 1077870), (270, 1041941), (279, 1008330), (285, 987102), (290, 970083), (305, 922374), (310, 907497), (342, 822585), (366, 768645), (435, 646722), (465, 604998), (513, 548390), (522, 538935), (549, 512430), (551, 510570), (558, 504165), (570, 493551), (589, 477630), (610, 461187), (783, 359290), (837, 336110), (855, 329034), (870, 323361), (899, 312930), (915, 307458), (930, 302499), (1026, 274195), (1098, 256215), (1102, 255285), (1159, 242730), (1178, 238815), (1305, 215574), (1395, 201666), (1566, 179645), (1647, 170810), (1653, 170190), (1674, 168055), (1710, 164517), (1767, 159210), (1769, 159030), (1798, 156465), (1830, 153729), (1891, 148770), (2318, 121365), (2565, 109678), (2610, 107787), (2697, 104310), (2745, 102486), (2755, 102114), (2790, 100833), (2945, 95526), (3294, 85405), (3306, 85095), (3477, 80910), (3534, 79605), (3538, 79515), (3782, 74385), (3915, 71858), (4185, 67222), (4495, 62586), (4959, 56730), (5130, 54839), (5301, 53070), (5307, 53010), (5394, 52155), (5490, 51243), (5510, 51057), (5673, 49590), (5795, 48546), (5890, 47763), (6954, 40455), (7830, 35929), (8091, 34770), (8235, 34162), (8265, 34038), (8370, 33611), (8835, 31842), (8845, 31806), (8990, 31293), (9455, 29754), (9918, 28365), (10431, 26970), (10602, 26535), (10614, 26505), (11346, 24795), (11590, 24273), (13485, 20862), (14877, 18910), (15903, 17690), (15921, 17670), (16182, 17385), (16470, 17081), (16530, 17019)]