217279440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2269}}^1$

素因数の和:2314

約数の個数: 240

約数和(自身を含む): 878217600

約数和(自身を除く): 660938160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2269, 2280, 2394, 2520, 2660, 2736, 3192, 3420, 3990, 4538, 4560, 4788, 5040, 5320, 5985, 6384, 6807, 6840, 7980, 9076, 9576, 10640, 11345, 11970, 13614, 13680, 15883, 15960, 18152, 19152, 20421, 22690, 23940, 27228, 31766, 31920, 34035, 36304, 40842, 43111, 45380, 47649, 47880, 54456, 63532, 68070, 79415, 81684, 86222, 90760, 95298, 95760, 102105, 108912, 127064, 129333, 136140, 142947, 158830, 163368, 172444, 181520, 190596, 204210, 215555, 238245, 254128, 258666, 272280, 285894, 301777, 317660, 326736, 344888, 381192, 387999, 408420, 431110, 476490, 517332, 544560, 571788, 603554, 635320, 646665, 689776, 714735, 762384, 775998, 816840, 862220, 905331, 952980, 1034664, 1143576, 1207108, 1270640, 1293330, 1429470, 1508885, 1551996, 1633680, 1724440, 1810662, 1905960, 1939995, 2069328, 2287152, 2414216, 2586660, 2715993, 2858940, 3017770, 3103992, 3448880, 3621324, 3811920, 3879990, 4526655, 4828432, 5173320, 5431986, 5717880, 6035540, 6207984, 7242648, 7759980, 9053310, 10346640, 10863972, 11435760, 12071080, 13579965, 14485296, 15519960, 18106620, 21727944, 24142160, 27159930, 31039920, 36213240, 43455888, 54319860, 72426480, 108639720, 217279440]

約数ペア:

[(1, 217279440), (2, 108639720), (3, 72426480), (4, 54319860), (5, 43455888), (6, 36213240), (7, 31039920), (8, 27159930), (9, 24142160), (10, 21727944), (12, 18106620), (14, 15519960), (15, 14485296), (16, 13579965), (18, 12071080), (19, 11435760), (20, 10863972), (21, 10346640), (24, 9053310), (28, 7759980), (30, 7242648), (35, 6207984), (36, 6035540), (38, 5717880), (40, 5431986), (42, 5173320), (45, 4828432), (48, 4526655), (56, 3879990), (57, 3811920), (60, 3621324), (63, 3448880), (70, 3103992), (72, 3017770), (76, 2858940), (80, 2715993), (84, 2586660), (90, 2414216), (95, 2287152), (105, 2069328), (112, 1939995), (114, 1905960), (120, 1810662), (126, 1724440), (133, 1633680), (140, 1551996), (144, 1508885), (152, 1429470), (168, 1293330), (171, 1270640), (180, 1207108), (190, 1143576), (210, 1034664), (228, 952980), (240, 905331), (252, 862220), (266, 816840), (280, 775998), (285, 762384), (304, 714735), (315, 689776), (336, 646665), (342, 635320), (360, 603554), (380, 571788), (399, 544560), (420, 517332), (456, 476490), (504, 431110), (532, 408420), (560, 387999), (570, 381192), (630, 344888), (665, 326736), (684, 317660), (720, 301777), (760, 285894), (798, 272280), (840, 258666), (855, 254128), (912, 238245), (1008, 215555), (1064, 204210), (1140, 190596), (1197, 181520), (1260, 172444), (1330, 163368), (1368, 158830), (1520, 142947), (1596, 136140), (1680, 129333), (1710, 127064), (1995, 108912), (2128, 102105), (2269, 95760), (2280, 95298), (2394, 90760), (2520, 86222), (2660, 81684), (2736, 79415), (3192, 68070), (3420, 63532), (3990, 54456), (4538, 47880), (4560, 47649), (4788, 45380), (5040, 43111), (5320, 40842), (5985, 36304), (6384, 34035), (6807, 31920), (6840, 31766), (7980, 27228), (9076, 23940), (9576, 22690), (10640, 20421), (11345, 19152), (11970, 18152), (13614, 15960), (13680, 15883)]