20161006240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:663

約数の個数: 192

約数和(自身を含む): 50295168000

約数和(自身を除く): 30134161760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 89, 109, 124, 155, 160, 178, 218, 248, 310, 356, 419, 436, 445, 496, 545, 620, 712, 838, 872, 890, 992, 1090, 1240, 1424, 1676, 1744, 1780, 2095, 2180, 2480, 2759, 2848, 3352, 3379, 3488, 3560, 4190, 4360, 4960, 5518, 6704, 6758, 7120, 8380, 8720, 9701, 11036, 12989, 13408, 13516, 13795, 14240, 16760, 16895, 17440, 19402, 22072, 25978, 27032, 27590, 33520, 33790, 37291, 38804, 44144, 45671, 48505, 51956, 54064, 55180, 64945, 67040, 67580, 74582, 77608, 88288, 91342, 97010, 103912, 108128, 110360, 129890, 135160, 149164, 155216, 182684, 186455, 194020, 207824, 220720, 228355, 259780, 270320, 298328, 300731, 310432, 365368, 372910, 388040, 415648, 441440, 456710, 519560, 540640, 596656, 601462, 730736, 745820, 776080, 913420, 1039120, 1156021, 1193312, 1202924, 1415801, 1461472, 1491640, 1503655, 1552160, 1826840, 2078240, 2312042, 2405848, 2831602, 2983280, 3007310, 3653680, 4064719, 4624084, 4811696, 5663204, 5780105, 5966560, 6014620, 7079005, 7307360, 8129438, 9248168, 9623392, 11326408, 11560210, 12029240, 14158010, 16258876, 18496336, 20323595, 22652816, 23120420, 24058480, 28316020, 32517752, 36992672, 40647190, 45305632, 46240840, 48116960, 56632040, 65035504, 81294380, 92481680, 113264080, 126006289, 130071008, 162588760, 184963360, 226528160, 252012578, 325177520, 504025156, 630031445, 650355040, 1008050312, 1260062890, 2016100624, 2520125780, 4032201248, 5040251560, 10080503120, 20161006240]

約数ペア:

[(1, 20161006240), (2, 10080503120), (4, 5040251560), (5, 4032201248), (8, 2520125780), (10, 2016100624), (16, 1260062890), (20, 1008050312), (31, 650355040), (32, 630031445), (40, 504025156), (62, 325177520), (80, 252012578), (89, 226528160), (109, 184963360), (124, 162588760), (155, 130071008), (160, 126006289), (178, 113264080), (218, 92481680), (248, 81294380), (310, 65035504), (356, 56632040), (419, 48116960), (436, 46240840), (445, 45305632), (496, 40647190), (545, 36992672), (620, 32517752), (712, 28316020), (838, 24058480), (872, 23120420), (890, 22652816), (992, 20323595), (1090, 18496336), (1240, 16258876), (1424, 14158010), (1676, 12029240), (1744, 11560210), (1780, 11326408), (2095, 9623392), (2180, 9248168), (2480, 8129438), (2759, 7307360), (2848, 7079005), (3352, 6014620), (3379, 5966560), (3488, 5780105), (3560, 5663204), (4190, 4811696), (4360, 4624084), (4960, 4064719), (5518, 3653680), (6704, 3007310), (6758, 2983280), (7120, 2831602), (8380, 2405848), (8720, 2312042), (9701, 2078240), (11036, 1826840), (12989, 1552160), (13408, 1503655), (13516, 1491640), (13795, 1461472), (14240, 1415801), (16760, 1202924), (16895, 1193312), (17440, 1156021), (19402, 1039120), (22072, 913420), (25978, 776080), (27032, 745820), (27590, 730736), (33520, 601462), (33790, 596656), (37291, 540640), (38804, 519560), (44144, 456710), (45671, 441440), (48505, 415648), (51956, 388040), (54064, 372910), (55180, 365368), (64945, 310432), (67040, 300731), (67580, 298328), (74582, 270320), (77608, 259780), (88288, 228355), (91342, 220720), (97010, 207824), (103912, 194020), (108128, 186455), (110360, 182684), (129890, 155216), (135160, 149164)]