217415520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21569}}^1$

素因数の和:21597

約数の個数: 144

約数和(自身を含む): 847959840

約数和(自身を除く): 630544320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21569, 43138, 64707, 86276, 107845, 129414, 150983, 172552, 194121, 215690, 258828, 301966, 323535, 345104, 388242, 431380, 452949, 517656, 603932, 647070, 690208, 754915, 776484, 862760, 905898, 970605, 1035312, 1207864, 1294140, 1358847, 1509830, 1552968, 1725520, 1811796, 1941210, 2070624, 2264745, 2415728, 2588280, 2717694, 3019660, 3105936, 3451040, 3623592, 3882420, 4529490, 4831456, 5176560, 5435388, 6039320, 6211872, 6794235, 7247184, 7764840, 9058980, 10353120, 10870776, 12078640, 13588470, 14494368, 15529680, 18117960, 21741552, 24157280, 27176940, 31059360, 36235920, 43483104, 54353880, 72471840, 108707760, 217415520]

約数ペア:

[(1, 217415520), (2, 108707760), (3, 72471840), (4, 54353880), (5, 43483104), (6, 36235920), (7, 31059360), (8, 27176940), (9, 24157280), (10, 21741552), (12, 18117960), (14, 15529680), (15, 14494368), (16, 13588470), (18, 12078640), (20, 10870776), (21, 10353120), (24, 9058980), (28, 7764840), (30, 7247184), (32, 6794235), (35, 6211872), (36, 6039320), (40, 5435388), (42, 5176560), (45, 4831456), (48, 4529490), (56, 3882420), (60, 3623592), (63, 3451040), (70, 3105936), (72, 3019660), (80, 2717694), (84, 2588280), (90, 2415728), (96, 2264745), (105, 2070624), (112, 1941210), (120, 1811796), (126, 1725520), (140, 1552968), (144, 1509830), (160, 1358847), (168, 1294140), (180, 1207864), (210, 1035312), (224, 970605), (240, 905898), (252, 862760), (280, 776484), (288, 754915), (315, 690208), (336, 647070), (360, 603932), (420, 517656), (480, 452949), (504, 431380), (560, 388242), (630, 345104), (672, 323535), (720, 301966), (840, 258828), (1008, 215690), (1120, 194121), (1260, 172552), (1440, 150983), (1680, 129414), (2016, 107845), (2520, 86276), (3360, 64707), (5040, 43138), (10080, 21569)]