20654838720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{231349}}^1$

素因数の和:231403

約数の個数: 168

約数和(自身を含む): 73336099200

約数和(自身を除く): 52681260480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1984, 2232, 2480, 2790, 2880, 2976, 3720, 4464, 4960, 5580, 5952, 7440, 8928, 9920, 11160, 14880, 17856, 22320, 29760, 44640, 89280, 231349, 462698, 694047, 925396, 1156745, 1388094, 1850792, 2082141, 2313490, 2776188, 3470235, 3701584, 4164282, 4626980, 5552376, 6940470, 7171819, 7403168, 8328564, 9253960, 10410705, 11104752, 13880940, 14343638, 14806336, 16657128, 18507920, 20821410, 21515457, 22209504, 27761880, 28687276, 33314256, 35859095, 37015840, 41642820, 43030914, 44419008, 55523760, 57374552, 64546371, 66628512, 71718190, 74031680, 83285640, 86061828, 107577285, 111047520, 114749104, 129092742, 133257024, 143436380, 166571280, 172123656, 215154570, 222095040, 229498208, 258185484, 286872760, 322731855, 333142560, 344247312, 430309140, 458996416, 516370968, 573745520, 645463710, 666285120, 688494624, 860618280, 1032741936, 1147491040, 1290927420, 1376989248, 1721236560, 2065483872, 2294982080, 2581854840, 3442473120, 4130967744, 5163709680, 6884946240, 10327419360, 20654838720]

約数ペア:

[(1, 20654838720), (2, 10327419360), (3, 6884946240), (4, 5163709680), (5, 4130967744), (6, 3442473120), (8, 2581854840), (9, 2294982080), (10, 2065483872), (12, 1721236560), (15, 1376989248), (16, 1290927420), (18, 1147491040), (20, 1032741936), (24, 860618280), (30, 688494624), (31, 666285120), (32, 645463710), (36, 573745520), (40, 516370968), (45, 458996416), (48, 430309140), (60, 344247312), (62, 333142560), (64, 322731855), (72, 286872760), (80, 258185484), (90, 229498208), (93, 222095040), (96, 215154570), (120, 172123656), (124, 166571280), (144, 143436380), (155, 133257024), (160, 129092742), (180, 114749104), (186, 111047520), (192, 107577285), (240, 86061828), (248, 83285640), (279, 74031680), (288, 71718190), (310, 66628512), (320, 64546371), (360, 57374552), (372, 55523760), (465, 44419008), (480, 43030914), (496, 41642820), (558, 37015840), (576, 35859095), (620, 33314256), (720, 28687276), (744, 27761880), (930, 22209504), (960, 21515457), (992, 20821410), (1116, 18507920), (1240, 16657128), (1395, 14806336), (1440, 14343638), (1488, 13880940), (1860, 11104752), (1984, 10410705), (2232, 9253960), (2480, 8328564), (2790, 7403168), (2880, 7171819), (2976, 6940470), (3720, 5552376), (4464, 4626980), (4960, 4164282), (5580, 3701584), (5952, 3470235), (7440, 2776188), (8928, 2313490), (9920, 2082141), (11160, 1850792), (14880, 1388094), (17856, 1156745), (22320, 925396), (29760, 694047), (44640, 462698), (89280, 231349)]