127512920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 328458240

約数和(自身を除く): 200945320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 31, 34, 40, 46, 62, 68, 85, 92, 115, 124, 136, 155, 170, 184, 230, 248, 263, 310, 340, 391, 460, 526, 527, 620, 680, 713, 782, 920, 1052, 1054, 1240, 1315, 1426, 1564, 1955, 2104, 2108, 2630, 2635, 2852, 3128, 3565, 3910, 4216, 4471, 5260, 5270, 5704, 6049, 7130, 7820, 8153, 8942, 10520, 10540, 12098, 12121, 14260, 15640, 16306, 17884, 21080, 22355, 24196, 24242, 28520, 30245, 32612, 35768, 40765, 44710, 48392, 48484, 60490, 60605, 65224, 81530, 89420, 96968, 102833, 120980, 121210, 138601, 163060, 178840, 187519, 205666, 241960, 242420, 277202, 326120, 375038, 411332, 484840, 514165, 554404, 693005, 750076, 822664, 937595, 1028330, 1108808, 1386010, 1500152, 1875190, 2056660, 2772020, 3187823, 3750380, 4113320, 5544040, 6375646, 7500760, 12751292, 15939115, 25502584, 31878230, 63756460, 127512920]

約数ペア:

[(1, 127512920), (2, 63756460), (4, 31878230), (5, 25502584), (8, 15939115), (10, 12751292), (17, 7500760), (20, 6375646), (23, 5544040), (31, 4113320), (34, 3750380), (40, 3187823), (46, 2772020), (62, 2056660), (68, 1875190), (85, 1500152), (92, 1386010), (115, 1108808), (124, 1028330), (136, 937595), (155, 822664), (170, 750076), (184, 693005), (230, 554404), (248, 514165), (263, 484840), (310, 411332), (340, 375038), (391, 326120), (460, 277202), (526, 242420), (527, 241960), (620, 205666), (680, 187519), (713, 178840), (782, 163060), (920, 138601), (1052, 121210), (1054, 120980), (1240, 102833), (1315, 96968), (1426, 89420), (1564, 81530), (1955, 65224), (2104, 60605), (2108, 60490), (2630, 48484), (2635, 48392), (2852, 44710), (3128, 40765), (3565, 35768), (3910, 32612), (4216, 30245), (4471, 28520), (5260, 24242), (5270, 24196), (5704, 22355), (6049, 21080), (7130, 17884), (7820, 16306), (8153, 15640), (8942, 14260), (10520, 12121), (10540, 12098)]