402454920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:644

約数の個数: 256

約数和(自身を含む): 1481379840

約数和(自身を除く): 1078924920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 37, 40, 42, 46, 56, 60, 69, 70, 74, 84, 92, 105, 111, 115, 120, 138, 140, 148, 161, 168, 184, 185, 210, 222, 230, 259, 276, 280, 296, 322, 345, 370, 420, 444, 460, 483, 518, 552, 555, 563, 644, 690, 740, 777, 805, 840, 851, 888, 920, 966, 1036, 1110, 1126, 1288, 1295, 1380, 1480, 1554, 1610, 1689, 1702, 1932, 2072, 2220, 2252, 2415, 2553, 2590, 2760, 2815, 3108, 3220, 3378, 3404, 3864, 3885, 3941, 4255, 4440, 4504, 4830, 5106, 5180, 5630, 5957, 6216, 6440, 6756, 6808, 7770, 7882, 8445, 8510, 9660, 10212, 10360, 11260, 11823, 11914, 12765, 12949, 13512, 15540, 15764, 16890, 17020, 17871, 19320, 19705, 20424, 20831, 22520, 23646, 23828, 25530, 25898, 29785, 31080, 31528, 33780, 34040, 35742, 38847, 39410, 41662, 47292, 47656, 51060, 51796, 59115, 59570, 62493, 64745, 67560, 71484, 77694, 78820, 83324, 89355, 90643, 94584, 102120, 103592, 104155, 118230, 119140, 124986, 129490, 142968, 145817, 155388, 157640, 166648, 178710, 181286, 194235, 208310, 236460, 238280, 249972, 258980, 271929, 291634, 310776, 312465, 357420, 362572, 388470, 416620, 437451, 453215, 472920, 479113, 499944, 517960, 543858, 583268, 624930, 714840, 725144, 729085, 776940, 833240, 874902, 906430, 958226, 1087716, 1166536, 1249860, 1359645, 1437339, 1458170, 1553880, 1749804, 1812860, 1916452, 2175432, 2187255, 2395565, 2499720, 2719290, 2874678, 2916340, 3353791, 3499608, 3625720, 3832904, 4374510, 4791130, 5438580, 5749356, 5832680, 6707582, 7186695, 8749020, 9582260, 10061373, 10877160, 11498712, 13415164, 14373390, 16768955, 17498040, 19164520, 20122746, 26830328, 28746780, 33537910, 40245492, 50306865, 57493560, 67075820, 80490984, 100613730, 134151640, 201227460, 402454920]

約数ペア:

[(1, 402454920), (2, 201227460), (3, 134151640), (4, 100613730), (5, 80490984), (6, 67075820), (7, 57493560), (8, 50306865), (10, 40245492), (12, 33537910), (14, 28746780), (15, 26830328), (20, 20122746), (21, 19164520), (23, 17498040), (24, 16768955), (28, 14373390), (30, 13415164), (35, 11498712), (37, 10877160), (40, 10061373), (42, 9582260), (46, 8749020), (56, 7186695), (60, 6707582), (69, 5832680), (70, 5749356), (74, 5438580), (84, 4791130), (92, 4374510), (105, 3832904), (111, 3625720), (115, 3499608), (120, 3353791), (138, 2916340), (140, 2874678), (148, 2719290), (161, 2499720), (168, 2395565), (184, 2187255), (185, 2175432), (210, 1916452), (222, 1812860), (230, 1749804), (259, 1553880), (276, 1458170), (280, 1437339), (296, 1359645), (322, 1249860), (345, 1166536), (370, 1087716), (420, 958226), (444, 906430), (460, 874902), (483, 833240), (518, 776940), (552, 729085), (555, 725144), (563, 714840), (644, 624930), (690, 583268), (740, 543858), (777, 517960), (805, 499944), (840, 479113), (851, 472920), (888, 453215), (920, 437451), (966, 416620), (1036, 388470), (1110, 362572), (1126, 357420), (1288, 312465), (1295, 310776), (1380, 291634), (1480, 271929), (1554, 258980), (1610, 249972), (1689, 238280), (1702, 236460), (1932, 208310), (2072, 194235), (2220, 181286), (2252, 178710), (2415, 166648), (2553, 157640), (2590, 155388), (2760, 145817), (2815, 142968), (3108, 129490), (3220, 124986), (3378, 119140), (3404, 118230), (3864, 104155), (3885, 103592), (3941, 102120), (4255, 94584), (4440, 90643), (4504, 89355), (4830, 83324), (5106, 78820), (5180, 77694), (5630, 71484), (5957, 67560), (6216, 64745), (6440, 62493), (6756, 59570), (6808, 59115), (7770, 51796), (7882, 51060), (8445, 47656), (8510, 47292), (9660, 41662), (10212, 39410), (10360, 38847), (11260, 35742), (11823, 34040), (11914, 33780), (12765, 31528), (12949, 31080), (13512, 29785), (15540, 25898), (15764, 25530), (16890, 23828), (17020, 23646), (17871, 22520), (19320, 20831), (19705, 20424)]