128824640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 168

約数和(自身を含む): 374294400

約数和(自身を除く): 245469760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 199, 224, 238, 272, 280, 289, 320, 340, 398, 448, 476, 544, 560, 578, 595, 680, 796, 952, 995, 1088, 1120, 1156, 1190, 1360, 1393, 1445, 1592, 1904, 1990, 2023, 2240, 2312, 2380, 2720, 2786, 2890, 3184, 3383, 3808, 3980, 4046, 4624, 4760, 5440, 5572, 5780, 6368, 6766, 6965, 7616, 7960, 8092, 9248, 9520, 10115, 11144, 11560, 12736, 13532, 13930, 15920, 16184, 16915, 18496, 19040, 20230, 22288, 23120, 23681, 27064, 27860, 31840, 32368, 33830, 38080, 40460, 44576, 46240, 47362, 54128, 55720, 57511, 63680, 64736, 67660, 80920, 89152, 92480, 94724, 108256, 111440, 115022, 118405, 129472, 135320, 161840, 189448, 216512, 222880, 230044, 236810, 270640, 287555, 323680, 378896, 402577, 445760, 460088, 473620, 541280, 575110, 647360, 757792, 805154, 920176, 947240, 1082560, 1150220, 1515584, 1610308, 1840352, 1894480, 2012885, 2300440, 3220616, 3680704, 3788960, 4025770, 4600880, 6441232, 7577920, 8051540, 9201760, 12882464, 16103080, 18403520, 25764928, 32206160, 64412320, 128824640]

約数ペア:

[(1, 128824640), (2, 64412320), (4, 32206160), (5, 25764928), (7, 18403520), (8, 16103080), (10, 12882464), (14, 9201760), (16, 8051540), (17, 7577920), (20, 6441232), (28, 4600880), (32, 4025770), (34, 3788960), (35, 3680704), (40, 3220616), (56, 2300440), (64, 2012885), (68, 1894480), (70, 1840352), (80, 1610308), (85, 1515584), (112, 1150220), (119, 1082560), (136, 947240), (140, 920176), (160, 805154), (170, 757792), (199, 647360), (224, 575110), (238, 541280), (272, 473620), (280, 460088), (289, 445760), (320, 402577), (340, 378896), (398, 323680), (448, 287555), (476, 270640), (544, 236810), (560, 230044), (578, 222880), (595, 216512), (680, 189448), (796, 161840), (952, 135320), (995, 129472), (1088, 118405), (1120, 115022), (1156, 111440), (1190, 108256), (1360, 94724), (1393, 92480), (1445, 89152), (1592, 80920), (1904, 67660), (1990, 64736), (2023, 63680), (2240, 57511), (2312, 55720), (2380, 54128), (2720, 47362), (2786, 46240), (2890, 44576), (3184, 40460), (3383, 38080), (3808, 33830), (3980, 32368), (4046, 31840), (4624, 27860), (4760, 27064), (5440, 23681), (5572, 23120), (5780, 22288), (6368, 20230), (6766, 19040), (6965, 18496), (7616, 16915), (7960, 16184), (8092, 15920), (9248, 13930), (9520, 13532), (10115, 12736), (11144, 11560)]