171447640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 256

約数和(自身を含む): 520934400

約数和(自身を除く): 349486760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 37, 38, 40, 52, 56, 65, 67, 70, 74, 76, 91, 95, 104, 130, 133, 134, 140, 148, 152, 182, 185, 190, 247, 259, 260, 266, 268, 280, 296, 335, 364, 370, 380, 455, 469, 481, 494, 518, 520, 532, 536, 665, 670, 703, 728, 740, 760, 871, 910, 938, 962, 988, 1036, 1064, 1235, 1273, 1295, 1330, 1340, 1406, 1480, 1729, 1742, 1820, 1876, 1924, 1976, 2072, 2345, 2405, 2470, 2479, 2546, 2590, 2660, 2680, 2812, 3367, 3458, 3484, 3515, 3640, 3752, 3848, 4355, 4690, 4810, 4921, 4940, 4958, 5092, 5180, 5320, 5624, 6097, 6365, 6734, 6916, 6968, 7030, 8645, 8710, 8911, 9139, 9380, 9620, 9842, 9880, 9916, 10184, 10360, 12194, 12395, 12730, 13468, 13832, 14060, 16549, 16835, 17290, 17353, 17420, 17822, 18278, 18760, 19240, 19684, 19832, 24388, 24605, 24790, 25460, 26936, 28120, 30485, 32227, 33098, 33670, 34580, 34706, 34840, 35644, 36556, 39368, 44555, 45695, 47101, 48776, 49210, 49580, 50920, 60970, 63973, 64454, 66196, 67340, 69160, 69412, 71288, 73112, 82745, 86765, 89110, 91390, 94202, 98420, 99160, 115843, 121940, 127946, 128908, 132392, 134680, 138824, 161135, 165490, 173530, 178220, 182780, 188404, 196840, 225589, 231686, 235505, 243880, 255892, 257816, 319865, 322270, 329707, 330980, 347060, 356440, 365560, 376808, 451178, 463372, 471010, 511784, 579215, 612313, 639730, 644540, 659414, 661960, 694120, 902356, 926744, 942020, 1127945, 1158430, 1224626, 1279460, 1289080, 1318828, 1648535, 1804712, 1884040, 2255890, 2316860, 2449252, 2558920, 2637656, 3061565, 3297070, 4286191, 4511780, 4633720, 4898504, 6123130, 6594140, 8572382, 9023560, 12246260, 13188280, 17144764, 21430955, 24492520, 34289528, 42861910, 85723820, 171447640]

約数ペア:

[(1, 171447640), (2, 85723820), (4, 42861910), (5, 34289528), (7, 24492520), (8, 21430955), (10, 17144764), (13, 13188280), (14, 12246260), (19, 9023560), (20, 8572382), (26, 6594140), (28, 6123130), (35, 4898504), (37, 4633720), (38, 4511780), (40, 4286191), (52, 3297070), (56, 3061565), (65, 2637656), (67, 2558920), (70, 2449252), (74, 2316860), (76, 2255890), (91, 1884040), (95, 1804712), (104, 1648535), (130, 1318828), (133, 1289080), (134, 1279460), (140, 1224626), (148, 1158430), (152, 1127945), (182, 942020), (185, 926744), (190, 902356), (247, 694120), (259, 661960), (260, 659414), (266, 644540), (268, 639730), (280, 612313), (296, 579215), (335, 511784), (364, 471010), (370, 463372), (380, 451178), (455, 376808), (469, 365560), (481, 356440), (494, 347060), (518, 330980), (520, 329707), (532, 322270), (536, 319865), (665, 257816), (670, 255892), (703, 243880), (728, 235505), (740, 231686), (760, 225589), (871, 196840), (910, 188404), (938, 182780), (962, 178220), (988, 173530), (1036, 165490), (1064, 161135), (1235, 138824), (1273, 134680), (1295, 132392), (1330, 128908), (1340, 127946), (1406, 121940), (1480, 115843), (1729, 99160), (1742, 98420), (1820, 94202), (1876, 91390), (1924, 89110), (1976, 86765), (2072, 82745), (2345, 73112), (2405, 71288), (2470, 69412), (2479, 69160), (2546, 67340), (2590, 66196), (2660, 64454), (2680, 63973), (2812, 60970), (3367, 50920), (3458, 49580), (3484, 49210), (3515, 48776), (3640, 47101), (3752, 45695), (3848, 44555), (4355, 39368), (4690, 36556), (4810, 35644), (4921, 34840), (4940, 34706), (4958, 34580), (5092, 33670), (5180, 33098), (5320, 32227), (5624, 30485), (6097, 28120), (6365, 26936), (6734, 25460), (6916, 24790), (6968, 24605), (7030, 24388), (8645, 19832), (8710, 19684), (8911, 19240), (9139, 18760), (9380, 18278), (9620, 17822), (9842, 17420), (9880, 17353), (9916, 17290), (10184, 16835), (10360, 16549), (12194, 14060), (12395, 13832), (12730, 13468)]