321911640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:322

約数の個数: 192

約数和(自身を含む): 1081136160

約数和(自身を除く): 759224520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 107, 120, 122, 137, 180, 183, 214, 244, 274, 305, 321, 360, 366, 411, 428, 488, 535, 548, 549, 610, 642, 685, 732, 822, 856, 915, 963, 1070, 1096, 1098, 1220, 1233, 1284, 1370, 1464, 1605, 1644, 1830, 1926, 2055, 2140, 2196, 2440, 2466, 2568, 2740, 2745, 3210, 3288, 3660, 3852, 4110, 4280, 4392, 4815, 4932, 5480, 5490, 6165, 6420, 6527, 7320, 7704, 8220, 8357, 9630, 9864, 10980, 12330, 12840, 13054, 14659, 16440, 16714, 19260, 19581, 21960, 24660, 25071, 26108, 29318, 32635, 33428, 38520, 39162, 41785, 43977, 49320, 50142, 52216, 58636, 58743, 65270, 66856, 73295, 75213, 78324, 83570, 87954, 97905, 100284, 117272, 117486, 125355, 130540, 131931, 146590, 150426, 156648, 167140, 175908, 195810, 200568, 219885, 234972, 250710, 261080, 263862, 293180, 293715, 300852, 334280, 351816, 376065, 391620, 439770, 469944, 501420, 527724, 586360, 587430, 601704, 659655, 752130, 783240, 879540, 894199, 1002840, 1055448, 1174860, 1319310, 1504260, 1759080, 1788398, 2349720, 2638620, 2682597, 3008520, 3576796, 4470995, 5277240, 5365194, 7153592, 8047791, 8941990, 10730388, 13412985, 16095582, 17883980, 21460776, 26825970, 32191164, 35767960, 40238955, 53651940, 64382328, 80477910, 107303880, 160955820, 321911640]

約数ペア:

[(1, 321911640), (2, 160955820), (3, 107303880), (4, 80477910), (5, 64382328), (6, 53651940), (8, 40238955), (9, 35767960), (10, 32191164), (12, 26825970), (15, 21460776), (18, 17883980), (20, 16095582), (24, 13412985), (30, 10730388), (36, 8941990), (40, 8047791), (45, 7153592), (60, 5365194), (61, 5277240), (72, 4470995), (90, 3576796), (107, 3008520), (120, 2682597), (122, 2638620), (137, 2349720), (180, 1788398), (183, 1759080), (214, 1504260), (244, 1319310), (274, 1174860), (305, 1055448), (321, 1002840), (360, 894199), (366, 879540), (411, 783240), (428, 752130), (488, 659655), (535, 601704), (548, 587430), (549, 586360), (610, 527724), (642, 501420), (685, 469944), (732, 439770), (822, 391620), (856, 376065), (915, 351816), (963, 334280), (1070, 300852), (1096, 293715), (1098, 293180), (1220, 263862), (1233, 261080), (1284, 250710), (1370, 234972), (1464, 219885), (1605, 200568), (1644, 195810), (1830, 175908), (1926, 167140), (2055, 156648), (2140, 150426), (2196, 146590), (2440, 131931), (2466, 130540), (2568, 125355), (2740, 117486), (2745, 117272), (3210, 100284), (3288, 97905), (3660, 87954), (3852, 83570), (4110, 78324), (4280, 75213), (4392, 73295), (4815, 66856), (4932, 65270), (5480, 58743), (5490, 58636), (6165, 52216), (6420, 50142), (6527, 49320), (7320, 43977), (7704, 41785), (8220, 39162), (8357, 38520), (9630, 33428), (9864, 32635), (10980, 29318), (12330, 26108), (12840, 25071), (13054, 24660), (14659, 21960), (16440, 19581), (16714, 19260)]