321928320

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1409}}^1$

素因数の和:1455

約数の個数: 256

約数和(自身を含む): 1242604800

約数和(自身を除く): 920676480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 128, 136, 140, 160, 168, 170, 192, 204, 210, 224, 238, 240, 255, 272, 280, 320, 336, 340, 357, 384, 408, 420, 448, 476, 480, 510, 544, 560, 595, 640, 672, 680, 714, 816, 840, 896, 952, 960, 1020, 1088, 1120, 1190, 1344, 1360, 1409, 1428, 1632, 1680, 1785, 1904, 1920, 2040, 2176, 2240, 2380, 2688, 2720, 2818, 2856, 3264, 3360, 3570, 3808, 4080, 4227, 4480, 4760, 5440, 5636, 5712, 6528, 6720, 7045, 7140, 7616, 8160, 8454, 9520, 9863, 10880, 11272, 11424, 13440, 14090, 14280, 15232, 16320, 16908, 19040, 19726, 21135, 22544, 22848, 23953, 28180, 28560, 29589, 32640, 33816, 38080, 39452, 42270, 45088, 45696, 47906, 49315, 56360, 57120, 59178, 67632, 71859, 76160, 78904, 84540, 90176, 95812, 98630, 112720, 114240, 118356, 119765, 135264, 143718, 147945, 157808, 167671, 169080, 180352, 191624, 197260, 225440, 228480, 236712, 239530, 270528, 287436, 295890, 315616, 335342, 338160, 359295, 383248, 394520, 450880, 473424, 479060, 503013, 541056, 574872, 591780, 631232, 670684, 676320, 718590, 766496, 789040, 838355, 901760, 946848, 958120, 1006026, 1149744, 1183560, 1262464, 1341368, 1352640, 1437180, 1532992, 1578080, 1676710, 1893696, 1916240, 2012052, 2299488, 2367120, 2515065, 2682736, 2705280, 2874360, 3065984, 3156160, 3353420, 3787392, 3832480, 4024104, 4598976, 4734240, 5030130, 5365472, 5748720, 6312320, 6706840, 7664960, 8048208, 9197952, 9468480, 10060260, 10730944, 11497440, 13413680, 15329920, 16096416, 18936960, 20120520, 21461888, 22994880, 26827360, 32192832, 40241040, 45989760, 53654720, 64385664, 80482080, 107309440, 160964160, 321928320]

約数ペア:

[(1, 321928320), (2, 160964160), (3, 107309440), (4, 80482080), (5, 64385664), (6, 53654720), (7, 45989760), (8, 40241040), (10, 32192832), (12, 26827360), (14, 22994880), (15, 21461888), (16, 20120520), (17, 18936960), (20, 16096416), (21, 15329920), (24, 13413680), (28, 11497440), (30, 10730944), (32, 10060260), (34, 9468480), (35, 9197952), (40, 8048208), (42, 7664960), (48, 6706840), (51, 6312320), (56, 5748720), (60, 5365472), (64, 5030130), (68, 4734240), (70, 4598976), (80, 4024104), (84, 3832480), (85, 3787392), (96, 3353420), (102, 3156160), (105, 3065984), (112, 2874360), (119, 2705280), (120, 2682736), (128, 2515065), (136, 2367120), (140, 2299488), (160, 2012052), (168, 1916240), (170, 1893696), (192, 1676710), (204, 1578080), (210, 1532992), (224, 1437180), (238, 1352640), (240, 1341368), (255, 1262464), (272, 1183560), (280, 1149744), (320, 1006026), (336, 958120), (340, 946848), (357, 901760), (384, 838355), (408, 789040), (420, 766496), (448, 718590), (476, 676320), (480, 670684), (510, 631232), (544, 591780), (560, 574872), (595, 541056), (640, 503013), (672, 479060), (680, 473424), (714, 450880), (816, 394520), (840, 383248), (896, 359295), (952, 338160), (960, 335342), (1020, 315616), (1088, 295890), (1120, 287436), (1190, 270528), (1344, 239530), (1360, 236712), (1409, 228480), (1428, 225440), (1632, 197260), (1680, 191624), (1785, 180352), (1904, 169080), (1920, 167671), (2040, 157808), (2176, 147945), (2240, 143718), (2380, 135264), (2688, 119765), (2720, 118356), (2818, 114240), (2856, 112720), (3264, 98630), (3360, 95812), (3570, 90176), (3808, 84540), (4080, 78904), (4227, 76160), (4480, 71859), (4760, 67632), (5440, 59178), (5636, 57120), (5712, 56360), (6528, 49315), (6720, 47906), (7045, 45696), (7140, 45088), (7616, 42270), (8160, 39452), (8454, 38080), (9520, 33816), (9863, 32640), (10880, 29589), (11272, 28560), (11424, 28180), (13440, 23953), (14090, 22848), (14280, 22544), (15232, 21135), (16320, 19726), (16908, 19040)]