320464980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:307

約数の個数: 288

約数和(自身を含む): 1147281408

約数和(自身を除く): 826816428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 31, 33, 36, 44, 45, 46, 55, 60, 62, 66, 69, 90, 92, 93, 99, 110, 115, 124, 132, 138, 155, 165, 180, 186, 198, 207, 220, 227, 230, 253, 276, 279, 310, 330, 341, 345, 372, 396, 414, 454, 460, 465, 495, 506, 558, 620, 660, 681, 682, 690, 713, 759, 828, 908, 930, 990, 1012, 1023, 1035, 1116, 1135, 1265, 1362, 1364, 1380, 1395, 1426, 1518, 1705, 1860, 1980, 2043, 2046, 2070, 2139, 2270, 2277, 2497, 2530, 2724, 2790, 2852, 3036, 3069, 3405, 3410, 3565, 3795, 4086, 4092, 4140, 4278, 4540, 4554, 4994, 5060, 5115, 5221, 5580, 6138, 6417, 6810, 6820, 7037, 7130, 7491, 7590, 7843, 8172, 8556, 9108, 9988, 10215, 10230, 10442, 10695, 11385, 12276, 12485, 12834, 13620, 14074, 14260, 14982, 15180, 15345, 15663, 15686, 20430, 20460, 20884, 21111, 21390, 22473, 22770, 23529, 24970, 25668, 26105, 28148, 29964, 30690, 31326, 31372, 32085, 35185, 37455, 39215, 40860, 42222, 42780, 44946, 45540, 46989, 47058, 49940, 52210, 57431, 61380, 62652, 63333, 64170, 70370, 70587, 74910, 77407, 78315, 78430, 84444, 89892, 93978, 94116, 104420, 105555, 112365, 114862, 117645, 126666, 128340, 140740, 141174, 149820, 154814, 156630, 156860, 161851, 172293, 187956, 211110, 224730, 229724, 232221, 234945, 235290, 253332, 282348, 287155, 309628, 313260, 316665, 323702, 344586, 352935, 387035, 422220, 449460, 464442, 469890, 470580, 485553, 516879, 574310, 633330, 647404, 689172, 696663, 705870, 774070, 809255, 861465, 928884, 939780, 971106, 1033758, 1148620, 1161105, 1266660, 1393326, 1411740, 1456659, 1548140, 1618510, 1722930, 1780361, 1942212, 2067516, 2322210, 2427765, 2584395, 2786652, 2913318, 3237020, 3445860, 3483315, 3560722, 4644420, 4855530, 5168790, 5341083, 5826636, 6966630, 7121444, 7283295, 8901805, 9711060, 10337580, 10682166, 13933260, 14566590, 16023249, 17803610, 21364332, 26705415, 29133180, 32046498, 35607220, 53410830, 64092996, 80116245, 106821660, 160232490, 320464980]

約数ペア:

[(1, 320464980), (2, 160232490), (3, 106821660), (4, 80116245), (5, 64092996), (6, 53410830), (9, 35607220), (10, 32046498), (11, 29133180), (12, 26705415), (15, 21364332), (18, 17803610), (20, 16023249), (22, 14566590), (23, 13933260), (30, 10682166), (31, 10337580), (33, 9711060), (36, 8901805), (44, 7283295), (45, 7121444), (46, 6966630), (55, 5826636), (60, 5341083), (62, 5168790), (66, 4855530), (69, 4644420), (90, 3560722), (92, 3483315), (93, 3445860), (99, 3237020), (110, 2913318), (115, 2786652), (124, 2584395), (132, 2427765), (138, 2322210), (155, 2067516), (165, 1942212), (180, 1780361), (186, 1722930), (198, 1618510), (207, 1548140), (220, 1456659), (227, 1411740), (230, 1393326), (253, 1266660), (276, 1161105), (279, 1148620), (310, 1033758), (330, 971106), (341, 939780), (345, 928884), (372, 861465), (396, 809255), (414, 774070), (454, 705870), (460, 696663), (465, 689172), (495, 647404), (506, 633330), (558, 574310), (620, 516879), (660, 485553), (681, 470580), (682, 469890), (690, 464442), (713, 449460), (759, 422220), (828, 387035), (908, 352935), (930, 344586), (990, 323702), (1012, 316665), (1023, 313260), (1035, 309628), (1116, 287155), (1135, 282348), (1265, 253332), (1362, 235290), (1364, 234945), (1380, 232221), (1395, 229724), (1426, 224730), (1518, 211110), (1705, 187956), (1860, 172293), (1980, 161851), (2043, 156860), (2046, 156630), (2070, 154814), (2139, 149820), (2270, 141174), (2277, 140740), (2497, 128340), (2530, 126666), (2724, 117645), (2790, 114862), (2852, 112365), (3036, 105555), (3069, 104420), (3405, 94116), (3410, 93978), (3565, 89892), (3795, 84444), (4086, 78430), (4092, 78315), (4140, 77407), (4278, 74910), (4540, 70587), (4554, 70370), (4994, 64170), (5060, 63333), (5115, 62652), (5221, 61380), (5580, 57431), (6138, 52210), (6417, 49940), (6810, 47058), (6820, 46989), (7037, 45540), (7130, 44946), (7491, 42780), (7590, 42222), (7843, 40860), (8172, 39215), (8556, 37455), (9108, 35185), (9988, 32085), (10215, 31372), (10230, 31326), (10442, 30690), (10695, 29964), (11385, 28148), (12276, 26105), (12485, 25668), (12834, 24970), (13620, 23529), (14074, 22770), (14260, 22473), (14982, 21390), (15180, 21111), (15345, 20884), (15663, 20460), (15686, 20430)]