18547770880

素因数分解:

$2^9\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:880

約数の個数: 160

約数和(自身を含む): 45395665920

約数和(自身を除く): 26847895040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 127, 128, 160, 178, 254, 256, 320, 356, 445, 508, 512, 635, 640, 641, 712, 890, 1016, 1270, 1280, 1282, 1424, 1780, 2032, 2540, 2560, 2564, 2848, 3205, 3560, 4064, 5080, 5128, 5696, 6410, 7120, 8128, 10160, 10256, 11303, 11392, 12820, 14240, 16256, 20320, 20512, 22606, 22784, 25640, 28480, 32512, 40640, 41024, 45212, 45568, 51280, 56515, 56960, 57049, 65024, 81280, 81407, 82048, 90424, 102560, 113030, 113920, 114098, 162560, 162814, 164096, 180848, 205120, 226060, 227840, 228196, 285245, 325120, 325628, 328192, 361696, 407035, 410240, 452120, 456392, 570490, 651256, 723392, 814070, 820480, 904240, 912784, 1140980, 1302512, 1446784, 1628140, 1640960, 1808480, 1825568, 2281960, 2605024, 2893568, 3256280, 3616960, 3651136, 4563920, 5210048, 5787136, 6512560, 7233920, 7245223, 7302272, 9127840, 10420096, 13025120, 14467840, 14490446, 14604544, 18255680, 20840192, 26050240, 28935680, 28980892, 29209088, 36226115, 36511360, 41680384, 52100480, 57961784, 72452230, 73022720, 104200960, 115923568, 144904460, 146045440, 208401920, 231847136, 289808920, 463694272, 579617840, 927388544, 1159235680, 1854777088, 2318471360, 3709554176, 4636942720, 9273885440, 18547770880]

約数ペア:

[(1, 18547770880), (2, 9273885440), (4, 4636942720), (5, 3709554176), (8, 2318471360), (10, 1854777088), (16, 1159235680), (20, 927388544), (32, 579617840), (40, 463694272), (64, 289808920), (80, 231847136), (89, 208401920), (127, 146045440), (128, 144904460), (160, 115923568), (178, 104200960), (254, 73022720), (256, 72452230), (320, 57961784), (356, 52100480), (445, 41680384), (508, 36511360), (512, 36226115), (635, 29209088), (640, 28980892), (641, 28935680), (712, 26050240), (890, 20840192), (1016, 18255680), (1270, 14604544), (1280, 14490446), (1282, 14467840), (1424, 13025120), (1780, 10420096), (2032, 9127840), (2540, 7302272), (2560, 7245223), (2564, 7233920), (2848, 6512560), (3205, 5787136), (3560, 5210048), (4064, 4563920), (5080, 3651136), (5128, 3616960), (5696, 3256280), (6410, 2893568), (7120, 2605024), (8128, 2281960), (10160, 1825568), (10256, 1808480), (11303, 1640960), (11392, 1628140), (12820, 1446784), (14240, 1302512), (16256, 1140980), (20320, 912784), (20512, 904240), (22606, 820480), (22784, 814070), (25640, 723392), (28480, 651256), (32512, 570490), (40640, 456392), (41024, 452120), (45212, 410240), (45568, 407035), (51280, 361696), (56515, 328192), (56960, 325628), (57049, 325120), (65024, 285245), (81280, 228196), (81407, 227840), (82048, 226060), (90424, 205120), (102560, 180848), (113030, 164096), (113920, 162814), (114098, 162560)]