321601600

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 168

約数和(自身を含む): 850392000

約数和(自身を除く): 528790400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 71, 76, 80, 95, 100, 142, 149, 152, 160, 190, 200, 284, 298, 304, 320, 355, 380, 400, 475, 568, 596, 608, 710, 745, 760, 800, 950, 1136, 1192, 1216, 1349, 1420, 1490, 1520, 1600, 1775, 1900, 2272, 2384, 2698, 2831, 2840, 2980, 3040, 3550, 3725, 3800, 4544, 4768, 5396, 5662, 5680, 5960, 6080, 6745, 7100, 7450, 7600, 9536, 10579, 10792, 11324, 11360, 11920, 13490, 14155, 14200, 14900, 15200, 21158, 21584, 22648, 22720, 23840, 26980, 28310, 28400, 29800, 30400, 33725, 42316, 43168, 45296, 47680, 52895, 53960, 56620, 56800, 59600, 67450, 70775, 84632, 86336, 90592, 105790, 107920, 113240, 113600, 119200, 134900, 141550, 169264, 181184, 201001, 211580, 215840, 226480, 238400, 264475, 269800, 283100, 338528, 402002, 423160, 431680, 452960, 528950, 539600, 566200, 677056, 804004, 846320, 905920, 1005005, 1057900, 1079200, 1132400, 1608008, 1692640, 2010010, 2115800, 2158400, 2264800, 3216016, 3385280, 4020020, 4231600, 4529600, 5025025, 6432032, 8040040, 8463200, 10050050, 12864064, 16080080, 16926400, 20100100, 32160160, 40200200, 64320320, 80400400, 160800800, 321601600]

約数ペア:

[(1, 321601600), (2, 160800800), (4, 80400400), (5, 64320320), (8, 40200200), (10, 32160160), (16, 20100100), (19, 16926400), (20, 16080080), (25, 12864064), (32, 10050050), (38, 8463200), (40, 8040040), (50, 6432032), (64, 5025025), (71, 4529600), (76, 4231600), (80, 4020020), (95, 3385280), (100, 3216016), (142, 2264800), (149, 2158400), (152, 2115800), (160, 2010010), (190, 1692640), (200, 1608008), (284, 1132400), (298, 1079200), (304, 1057900), (320, 1005005), (355, 905920), (380, 846320), (400, 804004), (475, 677056), (568, 566200), (596, 539600), (608, 528950), (710, 452960), (745, 431680), (760, 423160), (800, 402002), (950, 338528), (1136, 283100), (1192, 269800), (1216, 264475), (1349, 238400), (1420, 226480), (1490, 215840), (1520, 211580), (1600, 201001), (1775, 181184), (1900, 169264), (2272, 141550), (2384, 134900), (2698, 119200), (2831, 113600), (2840, 113240), (2980, 107920), (3040, 105790), (3550, 90592), (3725, 86336), (3800, 84632), (4544, 70775), (4768, 67450), (5396, 59600), (5662, 56800), (5680, 56620), (5960, 53960), (6080, 52895), (6745, 47680), (7100, 45296), (7450, 43168), (7600, 42316), (9536, 33725), (10579, 30400), (10792, 29800), (11324, 28400), (11360, 28310), (11920, 26980), (13490, 23840), (14155, 22720), (14200, 22648), (14900, 21584), (15200, 21158)]