328225520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 240

約数和(自身を含む): 954010368

約数和(自身を除く): 625784848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 37, 40, 49, 56, 62, 70, 73, 74, 80, 98, 112, 124, 140, 146, 148, 155, 185, 196, 217, 245, 248, 259, 280, 292, 296, 310, 365, 370, 392, 434, 490, 496, 511, 518, 560, 584, 592, 620, 730, 740, 784, 868, 980, 1022, 1036, 1085, 1147, 1168, 1240, 1295, 1460, 1480, 1519, 1736, 1813, 1960, 2044, 2072, 2170, 2263, 2294, 2480, 2555, 2590, 2701, 2920, 2960, 3038, 3472, 3577, 3626, 3920, 4088, 4144, 4340, 4526, 4588, 5110, 5180, 5402, 5735, 5840, 6076, 7154, 7252, 7595, 8029, 8176, 8680, 9052, 9065, 9176, 10220, 10360, 10804, 11315, 11470, 12152, 13505, 14308, 14504, 15190, 15841, 16058, 17360, 17885, 18104, 18130, 18352, 18907, 20440, 20720, 21608, 22630, 22940, 24304, 27010, 28616, 29008, 30380, 31682, 32116, 35770, 36208, 36260, 37814, 40145, 40880, 43216, 45260, 45880, 54020, 56203, 57232, 60760, 63364, 64232, 71540, 72520, 75628, 79205, 80290, 83731, 90520, 91760, 94535, 108040, 110887, 112406, 121520, 126728, 128464, 132349, 143080, 145040, 151256, 158410, 160580, 167462, 181040, 189070, 216080, 221774, 224812, 253456, 264698, 281015, 286160, 302512, 316820, 321160, 334924, 378140, 418655, 443548, 449624, 529396, 554435, 562030, 586117, 633640, 642320, 661745, 669848, 756280, 837310, 887096, 899248, 1058792, 1108870, 1124060, 1172234, 1267280, 1323490, 1339696, 1512560, 1674620, 1774192, 2117584, 2217740, 2248120, 2344468, 2646980, 2930585, 3349240, 4102819, 4435480, 4496240, 4688936, 5293960, 5861170, 6698480, 8205638, 8870960, 9377872, 10587920, 11722340, 16411276, 20514095, 23444680, 32822552, 41028190, 46889360, 65645104, 82056380, 164112760, 328225520]

約数ペア:

[(1, 328225520), (2, 164112760), (4, 82056380), (5, 65645104), (7, 46889360), (8, 41028190), (10, 32822552), (14, 23444680), (16, 20514095), (20, 16411276), (28, 11722340), (31, 10587920), (35, 9377872), (37, 8870960), (40, 8205638), (49, 6698480), (56, 5861170), (62, 5293960), (70, 4688936), (73, 4496240), (74, 4435480), (80, 4102819), (98, 3349240), (112, 2930585), (124, 2646980), (140, 2344468), (146, 2248120), (148, 2217740), (155, 2117584), (185, 1774192), (196, 1674620), (217, 1512560), (245, 1339696), (248, 1323490), (259, 1267280), (280, 1172234), (292, 1124060), (296, 1108870), (310, 1058792), (365, 899248), (370, 887096), (392, 837310), (434, 756280), (490, 669848), (496, 661745), (511, 642320), (518, 633640), (560, 586117), (584, 562030), (592, 554435), (620, 529396), (730, 449624), (740, 443548), (784, 418655), (868, 378140), (980, 334924), (1022, 321160), (1036, 316820), (1085, 302512), (1147, 286160), (1168, 281015), (1240, 264698), (1295, 253456), (1460, 224812), (1480, 221774), (1519, 216080), (1736, 189070), (1813, 181040), (1960, 167462), (2044, 160580), (2072, 158410), (2170, 151256), (2263, 145040), (2294, 143080), (2480, 132349), (2555, 128464), (2590, 126728), (2701, 121520), (2920, 112406), (2960, 110887), (3038, 108040), (3472, 94535), (3577, 91760), (3626, 90520), (3920, 83731), (4088, 80290), (4144, 79205), (4340, 75628), (4526, 72520), (4588, 71540), (5110, 64232), (5180, 63364), (5402, 60760), (5735, 57232), (5840, 56203), (6076, 54020), (7154, 45880), (7252, 45260), (7595, 43216), (8029, 40880), (8176, 40145), (8680, 37814), (9052, 36260), (9065, 36208), (9176, 35770), (10220, 32116), (10360, 31682), (10804, 30380), (11315, 29008), (11470, 28616), (12152, 27010), (13505, 24304), (14308, 22940), (14504, 22630), (15190, 21608), (15841, 20720), (16058, 20440), (17360, 18907), (17885, 18352), (18104, 18130)]