215702970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 256

約数和(自身を含む): 680804352

約数和(自身を除く): 465101382

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 23, 30, 34, 35, 37, 42, 46, 51, 69, 70, 71, 74, 85, 102, 105, 111, 115, 119, 138, 142, 161, 170, 185, 210, 213, 222, 230, 238, 255, 259, 322, 345, 355, 357, 370, 391, 426, 483, 497, 510, 518, 555, 595, 629, 690, 710, 714, 777, 782, 805, 851, 966, 994, 1065, 1110, 1173, 1190, 1207, 1258, 1295, 1491, 1554, 1610, 1633, 1702, 1785, 1887, 1955, 2130, 2346, 2414, 2415, 2485, 2553, 2590, 2627, 2737, 2982, 3145, 3266, 3570, 3621, 3774, 3885, 3910, 4255, 4403, 4830, 4899, 4970, 5106, 5254, 5474, 5865, 5957, 6035, 6290, 7242, 7455, 7770, 7881, 8165, 8211, 8449, 8510, 8806, 9435, 9798, 11431, 11730, 11914, 12070, 12765, 13135, 13209, 13685, 14467, 14910, 15762, 16330, 16422, 16898, 17871, 18105, 18389, 18870, 22015, 22862, 24495, 25347, 25530, 26270, 26418, 27370, 27761, 28934, 29785, 34293, 35742, 36210, 36778, 39405, 41055, 42245, 43401, 44030, 44659, 48990, 50694, 55167, 55522, 57155, 59570, 60421, 66045, 68586, 72335, 78810, 82110, 83283, 84490, 86802, 89318, 89355, 91945, 101269, 110334, 114310, 120842, 126735, 132090, 133977, 138805, 144670, 166566, 171465, 178710, 181263, 183890, 194327, 202538, 217005, 223295, 253470, 267954, 275835, 277610, 302105, 303807, 312613, 342930, 362526, 388654, 416415, 422947, 434010, 446590, 506345, 551670, 582981, 604210, 607614, 625226, 669885, 832830, 845894, 906315, 937839, 971635, 1012690, 1027157, 1165962, 1268841, 1339770, 1519035, 1563065, 1812630, 1875678, 1943270, 2054314, 2114735, 2537682, 2914905, 3038070, 3081471, 3126130, 4229470, 4689195, 5135785, 5829810, 6162942, 6344205, 7190099, 9378390, 10271570, 12688410, 14380198, 15407355, 21570297, 30814710, 35950495, 43140594, 71900990, 107851485, 215702970]

約数ペア:

[(1, 215702970), (2, 107851485), (3, 71900990), (5, 43140594), (6, 35950495), (7, 30814710), (10, 21570297), (14, 15407355), (15, 14380198), (17, 12688410), (21, 10271570), (23, 9378390), (30, 7190099), (34, 6344205), (35, 6162942), (37, 5829810), (42, 5135785), (46, 4689195), (51, 4229470), (69, 3126130), (70, 3081471), (71, 3038070), (74, 2914905), (85, 2537682), (102, 2114735), (105, 2054314), (111, 1943270), (115, 1875678), (119, 1812630), (138, 1563065), (142, 1519035), (161, 1339770), (170, 1268841), (185, 1165962), (210, 1027157), (213, 1012690), (222, 971635), (230, 937839), (238, 906315), (255, 845894), (259, 832830), (322, 669885), (345, 625226), (355, 607614), (357, 604210), (370, 582981), (391, 551670), (426, 506345), (483, 446590), (497, 434010), (510, 422947), (518, 416415), (555, 388654), (595, 362526), (629, 342930), (690, 312613), (710, 303807), (714, 302105), (777, 277610), (782, 275835), (805, 267954), (851, 253470), (966, 223295), (994, 217005), (1065, 202538), (1110, 194327), (1173, 183890), (1190, 181263), (1207, 178710), (1258, 171465), (1295, 166566), (1491, 144670), (1554, 138805), (1610, 133977), (1633, 132090), (1702, 126735), (1785, 120842), (1887, 114310), (1955, 110334), (2130, 101269), (2346, 91945), (2414, 89355), (2415, 89318), (2485, 86802), (2553, 84490), (2590, 83283), (2627, 82110), (2737, 78810), (2982, 72335), (3145, 68586), (3266, 66045), (3570, 60421), (3621, 59570), (3774, 57155), (3885, 55522), (3910, 55167), (4255, 50694), (4403, 48990), (4830, 44659), (4899, 44030), (4970, 43401), (5106, 42245), (5254, 41055), (5474, 39405), (5865, 36778), (5957, 36210), (6035, 35742), (6290, 34293), (7242, 29785), (7455, 28934), (7770, 27761), (7881, 27370), (8165, 26418), (8211, 26270), (8449, 25530), (8510, 25347), (8806, 24495), (9435, 22862), (9798, 22015), (11431, 18870), (11730, 18389), (11914, 18105), (12070, 17871), (12765, 16898), (13135, 16422), (13209, 16330), (13685, 15762), (14467, 14910)]