172788420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:650

約数の個数: 192

約数和(自身を含む): 596606976

約数和(自身を除く): 423818556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 31, 35, 42, 46, 60, 62, 69, 70, 84, 92, 93, 105, 115, 124, 138, 140, 155, 161, 186, 210, 217, 230, 276, 310, 322, 345, 372, 420, 434, 460, 465, 483, 577, 620, 644, 651, 690, 713, 805, 868, 930, 966, 1085, 1154, 1302, 1380, 1426, 1610, 1731, 1860, 1932, 2139, 2170, 2308, 2415, 2604, 2852, 2885, 3220, 3255, 3462, 3565, 4039, 4278, 4340, 4830, 4991, 5770, 6510, 6924, 7130, 8078, 8556, 8655, 9660, 9982, 10695, 11540, 12117, 13020, 13271, 14260, 14973, 16156, 17310, 17887, 19964, 20195, 21390, 24234, 24955, 26542, 29946, 34620, 35774, 39813, 40390, 42780, 48468, 49910, 53084, 53661, 59892, 60585, 66355, 71548, 74865, 79626, 80780, 89435, 92897, 99820, 107322, 121170, 125209, 132710, 149730, 159252, 178870, 185794, 199065, 214644, 242340, 250418, 265420, 268305, 278691, 299460, 357740, 371588, 375627, 398130, 411401, 464485, 500836, 536610, 557382, 626045, 751254, 796260, 822802, 928970, 1073220, 1114764, 1234203, 1252090, 1393455, 1502508, 1645604, 1857940, 1878135, 2057005, 2468406, 2504180, 2786910, 2879807, 3756270, 4114010, 4936812, 5573820, 5759614, 6171015, 7512540, 8228020, 8639421, 11519228, 12342030, 14399035, 17278842, 24684060, 28798070, 34557684, 43197105, 57596140, 86394210, 172788420]

約数ペア:

[(1, 172788420), (2, 86394210), (3, 57596140), (4, 43197105), (5, 34557684), (6, 28798070), (7, 24684060), (10, 17278842), (12, 14399035), (14, 12342030), (15, 11519228), (20, 8639421), (21, 8228020), (23, 7512540), (28, 6171015), (30, 5759614), (31, 5573820), (35, 4936812), (42, 4114010), (46, 3756270), (60, 2879807), (62, 2786910), (69, 2504180), (70, 2468406), (84, 2057005), (92, 1878135), (93, 1857940), (105, 1645604), (115, 1502508), (124, 1393455), (138, 1252090), (140, 1234203), (155, 1114764), (161, 1073220), (186, 928970), (210, 822802), (217, 796260), (230, 751254), (276, 626045), (310, 557382), (322, 536610), (345, 500836), (372, 464485), (420, 411401), (434, 398130), (460, 375627), (465, 371588), (483, 357740), (577, 299460), (620, 278691), (644, 268305), (651, 265420), (690, 250418), (713, 242340), (805, 214644), (868, 199065), (930, 185794), (966, 178870), (1085, 159252), (1154, 149730), (1302, 132710), (1380, 125209), (1426, 121170), (1610, 107322), (1731, 99820), (1860, 92897), (1932, 89435), (2139, 80780), (2170, 79626), (2308, 74865), (2415, 71548), (2604, 66355), (2852, 60585), (2885, 59892), (3220, 53661), (3255, 53084), (3462, 49910), (3565, 48468), (4039, 42780), (4278, 40390), (4340, 39813), (4830, 35774), (4991, 34620), (5770, 29946), (6510, 26542), (6924, 24955), (7130, 24234), (8078, 21390), (8556, 20195), (8655, 19964), (9660, 17887), (9982, 17310), (10695, 16156), (11540, 14973), (12117, 14260), (13020, 13271)]