208955880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{293}}^1$

素因数の和:600

約数の個数: 192

約数和(自身を含む): 781522560

約数和(自身を除く): 572566680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 283, 293, 315, 360, 420, 504, 566, 586, 630, 840, 849, 879, 1132, 1172, 1260, 1415, 1465, 1698, 1758, 1981, 2051, 2264, 2344, 2520, 2547, 2637, 2830, 2930, 3396, 3516, 3962, 4102, 4245, 4395, 5094, 5274, 5660, 5860, 5943, 6153, 6792, 7032, 7924, 8204, 8490, 8790, 9905, 10188, 10255, 10548, 11320, 11720, 11886, 12306, 12735, 13185, 15848, 16408, 16980, 17580, 17829, 18459, 19810, 20376, 20510, 21096, 23772, 24612, 25470, 26370, 29715, 30765, 33960, 35160, 35658, 36918, 39620, 41020, 47544, 49224, 50940, 52740, 59430, 61530, 71316, 73836, 79240, 82040, 82919, 89145, 92295, 101880, 105480, 118860, 123060, 142632, 147672, 165838, 178290, 184590, 237720, 246120, 248757, 331676, 356580, 369180, 414595, 497514, 580433, 663352, 713160, 738360, 746271, 829190, 995028, 1160866, 1243785, 1492542, 1658380, 1741299, 1990056, 2321732, 2487570, 2902165, 2985084, 3316760, 3482598, 3731355, 4643464, 4975140, 5223897, 5804330, 5970168, 6965196, 7462710, 8706495, 9950280, 10447794, 11608660, 13930392, 14925420, 17412990, 20895588, 23217320, 26119485, 29850840, 34825980, 41791176, 52238970, 69651960, 104477940, 208955880]

約数ペア:

[(1, 208955880), (2, 104477940), (3, 69651960), (4, 52238970), (5, 41791176), (6, 34825980), (7, 29850840), (8, 26119485), (9, 23217320), (10, 20895588), (12, 17412990), (14, 14925420), (15, 13930392), (18, 11608660), (20, 10447794), (21, 9950280), (24, 8706495), (28, 7462710), (30, 6965196), (35, 5970168), (36, 5804330), (40, 5223897), (42, 4975140), (45, 4643464), (56, 3731355), (60, 3482598), (63, 3316760), (70, 2985084), (72, 2902165), (84, 2487570), (90, 2321732), (105, 1990056), (120, 1741299), (126, 1658380), (140, 1492542), (168, 1243785), (180, 1160866), (210, 995028), (252, 829190), (280, 746271), (283, 738360), (293, 713160), (315, 663352), (360, 580433), (420, 497514), (504, 414595), (566, 369180), (586, 356580), (630, 331676), (840, 248757), (849, 246120), (879, 237720), (1132, 184590), (1172, 178290), (1260, 165838), (1415, 147672), (1465, 142632), (1698, 123060), (1758, 118860), (1981, 105480), (2051, 101880), (2264, 92295), (2344, 89145), (2520, 82919), (2547, 82040), (2637, 79240), (2830, 73836), (2930, 71316), (3396, 61530), (3516, 59430), (3962, 52740), (4102, 50940), (4245, 49224), (4395, 47544), (5094, 41020), (5274, 39620), (5660, 36918), (5860, 35658), (5943, 35160), (6153, 33960), (6792, 30765), (7032, 29715), (7924, 26370), (8204, 25470), (8490, 24612), (8790, 23772), (9905, 21096), (10188, 20510), (10255, 20376), (10548, 19810), (11320, 18459), (11720, 17829), (11886, 17580), (12306, 16980), (12735, 16408), (13185, 15848)]