21581970480

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{475793}}^1$

素因数の和:475825

約数の個数: 200

約数和(自身を含む): 85665758112

約数和(自身を除く): 64083787632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 504, 540, 560, 567, 630, 648, 720, 756, 810, 840, 945, 1008, 1080, 1134, 1260, 1296, 1512, 1620, 1680, 1890, 2160, 2268, 2520, 2835, 3024, 3240, 3780, 4536, 5040, 5670, 6480, 7560, 9072, 11340, 15120, 22680, 45360, 475793, 951586, 1427379, 1903172, 2378965, 2854758, 3330551, 3806344, 4282137, 4757930, 5709516, 6661102, 7136895, 7612688, 8564274, 9515860, 9991653, 11419032, 12846411, 13322204, 14273790, 16652755, 17128548, 19031720, 19983306, 21410685, 22838064, 25692822, 26644408, 28547580, 29974959, 33305510, 34257096, 38063440, 38539233, 39966612, 42821370, 49958265, 51385644, 53288816, 57095160, 59949918, 64232055, 66611020, 68514192, 77078466, 79933224, 85642740, 89924877, 99916530, 102771288, 114190320, 119899836, 128464110, 133222040, 149874795, 154156932, 159866448, 171285480, 179849754, 192696165, 199833060, 205542576, 239799672, 256928220, 266444080, 269774631, 299749590, 308313864, 342570960, 359699508, 385392330, 399666120, 449624385, 479599344, 513856440, 539549262, 599499180, 616627728, 719399016, 770784660, 799332240, 899248770, 1027712880, 1079098524, 1198998360, 1348873155, 1438798032, 1541569320, 1798497540, 2158197048, 2397996720, 2697746310, 3083138640, 3596995080, 4316394096, 5395492620, 7193990160, 10790985240, 21581970480]

約数ペア:

[(1, 21581970480), (2, 10790985240), (3, 7193990160), (4, 5395492620), (5, 4316394096), (6, 3596995080), (7, 3083138640), (8, 2697746310), (9, 2397996720), (10, 2158197048), (12, 1798497540), (14, 1541569320), (15, 1438798032), (16, 1348873155), (18, 1198998360), (20, 1079098524), (21, 1027712880), (24, 899248770), (27, 799332240), (28, 770784660), (30, 719399016), (35, 616627728), (36, 599499180), (40, 539549262), (42, 513856440), (45, 479599344), (48, 449624385), (54, 399666120), (56, 385392330), (60, 359699508), (63, 342570960), (70, 308313864), (72, 299749590), (80, 269774631), (81, 266444080), (84, 256928220), (90, 239799672), (105, 205542576), (108, 199833060), (112, 192696165), (120, 179849754), (126, 171285480), (135, 159866448), (140, 154156932), (144, 149874795), (162, 133222040), (168, 128464110), (180, 119899836), (189, 114190320), (210, 102771288), (216, 99916530), (240, 89924877), (252, 85642740), (270, 79933224), (280, 77078466), (315, 68514192), (324, 66611020), (336, 64232055), (360, 59949918), (378, 57095160), (405, 53288816), (420, 51385644), (432, 49958265), (504, 42821370), (540, 39966612), (560, 38539233), (567, 38063440), (630, 34257096), (648, 33305510), (720, 29974959), (756, 28547580), (810, 26644408), (840, 25692822), (945, 22838064), (1008, 21410685), (1080, 19983306), (1134, 19031720), (1260, 17128548), (1296, 16652755), (1512, 14273790), (1620, 13322204), (1680, 12846411), (1890, 11419032), (2160, 9991653), (2268, 9515860), (2520, 8564274), (2835, 7612688), (3024, 7136895), (3240, 6661102), (3780, 5709516), (4536, 4757930), (5040, 4282137), (5670, 3806344), (6480, 3330551), (7560, 2854758), (9072, 2378965), (11340, 1903172), (15120, 1427379), (22680, 951586), (45360, 475793)]