21280963680

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{259271}}^1$

素因数の和:259314

約数の個数: 192

約数和(自身を含む): 78403852800

約数和(自身を除く): 57122889120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 4104, 4320, 4560, 5130, 5472, 6840, 8208, 9120, 10260, 13680, 16416, 20520, 27360, 41040, 82080, 259271, 518542, 777813, 1037084, 1296355, 1555626, 2074168, 2333439, 2592710, 3111252, 3889065, 4148336, 4666878, 4926149, 5185420, 6222504, 7000317, 7778130, 8296672, 9333756, 9852298, 10370840, 11667195, 12445008, 14000634, 14778447, 15556260, 18667512, 19704596, 20741680, 23334390, 24630745, 24890016, 28001268, 29556894, 31112520, 35001585, 37335024, 39409192, 41483360, 44335341, 46668780, 49261490, 56002536, 59113788, 62225040, 70003170, 73892235, 74670048, 78818384, 88670682, 93337560, 98522980, 112005072, 118227576, 124450080, 133006023, 140006340, 147784470, 157636768, 177341364, 186675120, 197045960, 221676705, 224010144, 236455152, 266012046, 280012680, 295568940, 354682728, 373350240, 394091920, 443353410, 472910304, 532024092, 560025360, 591137880, 665030115, 709365456, 788183840, 886706820, 1064048184, 1120050720, 1182275760, 1330060230, 1418730912, 1773413640, 2128096368, 2364551520, 2660120460, 3546827280, 4256192736, 5320240920, 7093654560, 10640481840, 21280963680]

約数ペア:

[(1, 21280963680), (2, 10640481840), (3, 7093654560), (4, 5320240920), (5, 4256192736), (6, 3546827280), (8, 2660120460), (9, 2364551520), (10, 2128096368), (12, 1773413640), (15, 1418730912), (16, 1330060230), (18, 1182275760), (19, 1120050720), (20, 1064048184), (24, 886706820), (27, 788183840), (30, 709365456), (32, 665030115), (36, 591137880), (38, 560025360), (40, 532024092), (45, 472910304), (48, 443353410), (54, 394091920), (57, 373350240), (60, 354682728), (72, 295568940), (76, 280012680), (80, 266012046), (90, 236455152), (95, 224010144), (96, 221676705), (108, 197045960), (114, 186675120), (120, 177341364), (135, 157636768), (144, 147784470), (152, 140006340), (160, 133006023), (171, 124450080), (180, 118227576), (190, 112005072), (216, 98522980), (228, 93337560), (240, 88670682), (270, 78818384), (285, 74670048), (288, 73892235), (304, 70003170), (342, 62225040), (360, 59113788), (380, 56002536), (432, 49261490), (456, 46668780), (480, 44335341), (513, 41483360), (540, 39409192), (570, 37335024), (608, 35001585), (684, 31112520), (720, 29556894), (760, 28001268), (855, 24890016), (864, 24630745), (912, 23334390), (1026, 20741680), (1080, 19704596), (1140, 18667512), (1368, 15556260), (1440, 14778447), (1520, 14000634), (1710, 12445008), (1824, 11667195), (2052, 10370840), (2160, 9852298), (2280, 9333756), (2565, 8296672), (2736, 7778130), (3040, 7000317), (3420, 6222504), (4104, 5185420), (4320, 4926149), (4560, 4666878), (5130, 4148336), (5472, 3889065), (6840, 3111252), (8208, 2592710), (9120, 2333439), (10260, 2074168), (13680, 1555626), (16416, 1296355), (20520, 1037084), (27360, 777813), (41040, 518542), (82080, 259271)]