20167200640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:537

約数の個数: 256

約数和(自身を含む): 52645464000

約数和(自身を除く): 32478263360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 59, 64, 68, 80, 85, 89, 118, 128, 136, 160, 170, 178, 236, 272, 295, 320, 340, 353, 356, 445, 472, 544, 590, 640, 680, 706, 712, 890, 944, 1003, 1088, 1180, 1360, 1412, 1424, 1513, 1765, 1780, 1888, 2006, 2176, 2360, 2720, 2824, 2848, 3026, 3530, 3560, 3776, 4012, 4720, 5015, 5251, 5440, 5648, 5696, 6001, 6052, 7060, 7120, 7552, 7565, 8024, 9440, 10030, 10502, 10880, 11296, 11392, 12002, 12104, 14120, 14240, 15130, 16048, 18880, 20060, 20827, 21004, 22592, 24004, 24208, 26255, 28240, 28480, 30005, 30260, 31417, 32096, 37760, 40120, 41654, 42008, 45184, 48008, 48416, 52510, 56480, 56960, 60010, 60520, 62834, 64192, 80240, 83308, 84016, 89267, 96016, 96832, 104135, 105020, 112960, 120020, 121040, 125668, 128384, 157085, 160480, 166616, 168032, 178534, 192032, 193664, 208270, 210040, 225920, 240040, 242080, 251336, 314170, 320960, 333232, 336064, 354059, 357068, 384064, 416540, 420080, 446335, 480080, 484160, 502672, 534089, 628340, 641920, 666464, 672128, 708118, 714136, 768128, 833080, 840160, 892670, 960160, 968320, 1005344, 1068178, 1256680, 1332928, 1416236, 1428272, 1666160, 1680320, 1770295, 1785340, 1853603, 1920320, 2010688, 2136356, 2513360, 2665856, 2670445, 2832472, 2856544, 3332320, 3360640, 3540590, 3570680, 3707206, 3840640, 4021376, 4272712, 5026720, 5340890, 5664944, 5713088, 6664640, 7081180, 7141360, 7414412, 8545424, 9268015, 10053440, 10681780, 11329888, 11426176, 13329280, 14162360, 14282720, 14828824, 17090848, 18536030, 20106880, 21363560, 22659776, 28324720, 28565440, 29657648, 31511251, 34181696, 37072060, 42727120, 45319552, 56649440, 57130880, 59315296, 63022502, 68363392, 74144120, 85454240, 113298880, 118630592, 126045004, 148288240, 157556255, 170908480, 226597760, 237261184, 252090008, 296576480, 315112510, 341816960, 504180016, 593152960, 630225020, 1008360032, 1186305920, 1260450040, 2016720064, 2520900080, 4033440128, 5041800160, 10083600320, 20167200640]

約数ペア:

[(1, 20167200640), (2, 10083600320), (4, 5041800160), (5, 4033440128), (8, 2520900080), (10, 2016720064), (16, 1260450040), (17, 1186305920), (20, 1008360032), (32, 630225020), (34, 593152960), (40, 504180016), (59, 341816960), (64, 315112510), (68, 296576480), (80, 252090008), (85, 237261184), (89, 226597760), (118, 170908480), (128, 157556255), (136, 148288240), (160, 126045004), (170, 118630592), (178, 113298880), (236, 85454240), (272, 74144120), (295, 68363392), (320, 63022502), (340, 59315296), (353, 57130880), (356, 56649440), (445, 45319552), (472, 42727120), (544, 37072060), (590, 34181696), (640, 31511251), (680, 29657648), (706, 28565440), (712, 28324720), (890, 22659776), (944, 21363560), (1003, 20106880), (1088, 18536030), (1180, 17090848), (1360, 14828824), (1412, 14282720), (1424, 14162360), (1513, 13329280), (1765, 11426176), (1780, 11329888), (1888, 10681780), (2006, 10053440), (2176, 9268015), (2360, 8545424), (2720, 7414412), (2824, 7141360), (2848, 7081180), (3026, 6664640), (3530, 5713088), (3560, 5664944), (3776, 5340890), (4012, 5026720), (4720, 4272712), (5015, 4021376), (5251, 3840640), (5440, 3707206), (5648, 3570680), (5696, 3540590), (6001, 3360640), (6052, 3332320), (7060, 2856544), (7120, 2832472), (7552, 2670445), (7565, 2665856), (8024, 2513360), (9440, 2136356), (10030, 2010688), (10502, 1920320), (10880, 1853603), (11296, 1785340), (11392, 1770295), (12002, 1680320), (12104, 1666160), (14120, 1428272), (14240, 1416236), (15130, 1332928), (16048, 1256680), (18880, 1068178), (20060, 1005344), (20827, 968320), (21004, 960160), (22592, 892670), (24004, 840160), (24208, 833080), (26255, 768128), (28240, 714136), (28480, 708118), (30005, 672128), (30260, 666464), (31417, 641920), (32096, 628340), (37760, 534089), (40120, 502672), (41654, 484160), (42008, 480080), (45184, 446335), (48008, 420080), (48416, 416540), (52510, 384064), (56480, 357068), (56960, 354059), (60010, 336064), (60520, 333232), (62834, 320960), (64192, 314170), (80240, 251336), (83308, 242080), (84016, 240040), (89267, 225920), (96016, 210040), (96832, 208270), (104135, 193664), (105020, 192032), (112960, 178534), (120020, 168032), (121040, 166616), (125668, 160480), (128384, 157085)]