2016497920

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:712

約数の個数: 144

約数和(自身を含む): 5050805760

約数和(自身を除く): 3034307840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 89, 124, 128, 155, 160, 178, 248, 256, 310, 320, 356, 445, 496, 571, 620, 640, 712, 890, 992, 1142, 1240, 1280, 1424, 1780, 1984, 2284, 2480, 2759, 2848, 2855, 3560, 3968, 4568, 4960, 5518, 5696, 5710, 7120, 7936, 9136, 9920, 11036, 11392, 11420, 13795, 14240, 17701, 18272, 19840, 22072, 22784, 22840, 27590, 28480, 35402, 36544, 39680, 44144, 45680, 50819, 55180, 56960, 70804, 73088, 88288, 88505, 91360, 101638, 110360, 113920, 141608, 146176, 176576, 177010, 182720, 203276, 220720, 254095, 283216, 353152, 354020, 365440, 406552, 441440, 508190, 566432, 706304, 708040, 730880, 813104, 882880, 1016380, 1132864, 1416080, 1575389, 1626208, 1765760, 2032760, 2265728, 2832160, 3150778, 3252416, 3531520, 4065520, 4531456, 5664320, 6301556, 6504832, 7876945, 8131040, 11328640, 12603112, 13009664, 15753890, 16262080, 22657280, 25206224, 31507780, 32524160, 50412448, 63015560, 65048320, 100824896, 126031120, 201649792, 252062240, 403299584, 504124480, 1008248960, 2016497920]

約数ペア:

[(1, 2016497920), (2, 1008248960), (4, 504124480), (5, 403299584), (8, 252062240), (10, 201649792), (16, 126031120), (20, 100824896), (31, 65048320), (32, 63015560), (40, 50412448), (62, 32524160), (64, 31507780), (80, 25206224), (89, 22657280), (124, 16262080), (128, 15753890), (155, 13009664), (160, 12603112), (178, 11328640), (248, 8131040), (256, 7876945), (310, 6504832), (320, 6301556), (356, 5664320), (445, 4531456), (496, 4065520), (571, 3531520), (620, 3252416), (640, 3150778), (712, 2832160), (890, 2265728), (992, 2032760), (1142, 1765760), (1240, 1626208), (1280, 1575389), (1424, 1416080), (1780, 1132864), (1984, 1016380), (2284, 882880), (2480, 813104), (2759, 730880), (2848, 708040), (2855, 706304), (3560, 566432), (3968, 508190), (4568, 441440), (4960, 406552), (5518, 365440), (5696, 354020), (5710, 353152), (7120, 283216), (7936, 254095), (9136, 220720), (9920, 203276), (11036, 182720), (11392, 177010), (11420, 176576), (13795, 146176), (14240, 141608), (17701, 113920), (18272, 110360), (19840, 101638), (22072, 91360), (22784, 88505), (22840, 88288), (27590, 73088), (28480, 70804), (35402, 56960), (36544, 55180), (39680, 50819), (44144, 45680)]