891768320

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:732

約数の個数: 160

約数和(自身を含む): 2340493056

約数和(自身を除く): 1448724736

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 310, 320, 340, 496, 512, 527, 544, 620, 640, 661, 680, 992, 1054, 1088, 1240, 1280, 1322, 1360, 1984, 2108, 2176, 2480, 2560, 2635, 2644, 2720, 3305, 3968, 4216, 4352, 4960, 5270, 5288, 5440, 6610, 7936, 8432, 8704, 9920, 10540, 10576, 10880, 11237, 13220, 15872, 16864, 19840, 20491, 21080, 21152, 21760, 22474, 26440, 33728, 39680, 40982, 42160, 42304, 43520, 44948, 52880, 56185, 67456, 79360, 81964, 84320, 84608, 89896, 102455, 105760, 112370, 134912, 163928, 168640, 169216, 179792, 204910, 211520, 224740, 269824, 327856, 337280, 338432, 348347, 359584, 409820, 423040, 449480, 655712, 674560, 696694, 719168, 819640, 846080, 898960, 1311424, 1349120, 1393388, 1438336, 1639280, 1692160, 1741735, 1797920, 2622848, 2786776, 2876672, 3278560, 3483470, 3595840, 5245696, 5573552, 5753344, 6557120, 6966940, 7191680, 10491392, 11147104, 13114240, 13933880, 14383360, 22294208, 26228480, 27867760, 28766720, 44588416, 52456960, 55735520, 89176832, 111471040, 178353664, 222942080, 445884160, 891768320]

約数ペア:

[(1, 891768320), (2, 445884160), (4, 222942080), (5, 178353664), (8, 111471040), (10, 89176832), (16, 55735520), (17, 52456960), (20, 44588416), (31, 28766720), (32, 27867760), (34, 26228480), (40, 22294208), (62, 14383360), (64, 13933880), (68, 13114240), (80, 11147104), (85, 10491392), (124, 7191680), (128, 6966940), (136, 6557120), (155, 5753344), (160, 5573552), (170, 5245696), (248, 3595840), (256, 3483470), (272, 3278560), (310, 2876672), (320, 2786776), (340, 2622848), (496, 1797920), (512, 1741735), (527, 1692160), (544, 1639280), (620, 1438336), (640, 1393388), (661, 1349120), (680, 1311424), (992, 898960), (1054, 846080), (1088, 819640), (1240, 719168), (1280, 696694), (1322, 674560), (1360, 655712), (1984, 449480), (2108, 423040), (2176, 409820), (2480, 359584), (2560, 348347), (2635, 338432), (2644, 337280), (2720, 327856), (3305, 269824), (3968, 224740), (4216, 211520), (4352, 204910), (4960, 179792), (5270, 169216), (5288, 168640), (5440, 163928), (6610, 134912), (7936, 112370), (8432, 105760), (8704, 102455), (9920, 89896), (10540, 84608), (10576, 84320), (10880, 81964), (11237, 79360), (13220, 67456), (15872, 56185), (16864, 52880), (19840, 44948), (20491, 43520), (21080, 42304), (21152, 42160), (21760, 40982), (22474, 39680), (26440, 33728)]