64412320

素因数分解:

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

素因数の和:255

約数の個数: 144

約数和(自身を含む): 185673600

約数和(自身を除く): 121261280

約数列:

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

約数ペア:

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