321671280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1656

約数の個数: 240

約数和(自身を含む): 1228983840

約数和(自身を除く): 907312560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 49, 51, 56, 60, 68, 70, 80, 84, 85, 98, 102, 105, 112, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 240, 245, 255, 272, 280, 294, 336, 340, 357, 392, 408, 420, 476, 490, 510, 560, 588, 595, 680, 714, 735, 784, 816, 833, 840, 952, 980, 1020, 1176, 1190, 1360, 1428, 1470, 1609, 1666, 1680, 1785, 1904, 1960, 2040, 2352, 2380, 2499, 2856, 2940, 3218, 3332, 3570, 3920, 4080, 4165, 4760, 4827, 4998, 5712, 5880, 6436, 6664, 7140, 8045, 8330, 9520, 9654, 9996, 11263, 11760, 12495, 12872, 13328, 14280, 16090, 16660, 19308, 19992, 22526, 24135, 24990, 25744, 27353, 28560, 32180, 33320, 33789, 38616, 39984, 45052, 48270, 49980, 54706, 56315, 64360, 66640, 67578, 77232, 78841, 82059, 90104, 96540, 99960, 109412, 112630, 128720, 135156, 136765, 157682, 164118, 168945, 180208, 191471, 193080, 199920, 218824, 225260, 236523, 270312, 273530, 315364, 328236, 337890, 382942, 386160, 394205, 410295, 437648, 450520, 473046, 540624, 547060, 574413, 630728, 656472, 675780, 765884, 788410, 820590, 901040, 946092, 957355, 1094120, 1148826, 1182615, 1261456, 1312944, 1340297, 1351560, 1531768, 1576820, 1641180, 1892184, 1914710, 2188240, 2297652, 2365230, 2680594, 2703120, 2872065, 3063536, 3153640, 3282360, 3784368, 3829420, 4020891, 4595304, 4730460, 5361188, 5744130, 6307280, 6564720, 6701485, 7658840, 8041782, 9190608, 9460920, 10722376, 11488260, 13402970, 15317680, 16083564, 18921840, 20104455, 21444752, 22976520, 26805940, 32167128, 40208910, 45953040, 53611880, 64334256, 80417820, 107223760, 160835640, 321671280]

約数ペア:

[(1, 321671280), (2, 160835640), (3, 107223760), (4, 80417820), (5, 64334256), (6, 53611880), (7, 45953040), (8, 40208910), (10, 32167128), (12, 26805940), (14, 22976520), (15, 21444752), (16, 20104455), (17, 18921840), (20, 16083564), (21, 15317680), (24, 13402970), (28, 11488260), (30, 10722376), (34, 9460920), (35, 9190608), (40, 8041782), (42, 7658840), (48, 6701485), (49, 6564720), (51, 6307280), (56, 5744130), (60, 5361188), (68, 4730460), (70, 4595304), (80, 4020891), (84, 3829420), (85, 3784368), (98, 3282360), (102, 3153640), (105, 3063536), (112, 2872065), (119, 2703120), (120, 2680594), (136, 2365230), (140, 2297652), (147, 2188240), (168, 1914710), (170, 1892184), (196, 1641180), (204, 1576820), (210, 1531768), (238, 1351560), (240, 1340297), (245, 1312944), (255, 1261456), (272, 1182615), (280, 1148826), (294, 1094120), (336, 957355), (340, 946092), (357, 901040), (392, 820590), (408, 788410), (420, 765884), (476, 675780), (490, 656472), (510, 630728), (560, 574413), (588, 547060), (595, 540624), (680, 473046), (714, 450520), (735, 437648), (784, 410295), (816, 394205), (833, 386160), (840, 382942), (952, 337890), (980, 328236), (1020, 315364), (1176, 273530), (1190, 270312), (1360, 236523), (1428, 225260), (1470, 218824), (1609, 199920), (1666, 193080), (1680, 191471), (1785, 180208), (1904, 168945), (1960, 164118), (2040, 157682), (2352, 136765), (2380, 135156), (2499, 128720), (2856, 112630), (2940, 109412), (3218, 99960), (3332, 96540), (3570, 90104), (3920, 82059), (4080, 78841), (4165, 77232), (4760, 67578), (4827, 66640), (4998, 64360), (5712, 56315), (5880, 54706), (6436, 49980), (6664, 48270), (7140, 45052), (8045, 39984), (8330, 38616), (9520, 33789), (9654, 33320), (9996, 32180), (11263, 28560), (11760, 27353), (12495, 25744), (12872, 24990), (13328, 24135), (14280, 22526), (16090, 19992), (16660, 19308)]