219876800

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:108

約数の個数: 252

約数和(自身を含む): 656786088

約数和(自身を除く): 436909288

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 31, 32, 40, 44, 50, 52, 55, 62, 64, 65, 80, 88, 100, 104, 110, 124, 130, 143, 155, 160, 176, 200, 208, 220, 248, 260, 275, 286, 310, 320, 325, 341, 352, 400, 403, 416, 440, 496, 520, 550, 572, 620, 650, 682, 704, 715, 775, 800, 806, 832, 880, 961, 992, 1040, 1100, 1144, 1240, 1300, 1364, 1430, 1550, 1600, 1612, 1705, 1760, 1922, 1984, 2015, 2080, 2200, 2288, 2480, 2600, 2728, 2860, 3100, 3224, 3410, 3520, 3575, 3844, 4030, 4160, 4400, 4433, 4576, 4805, 4960, 5200, 5456, 5720, 6200, 6448, 6820, 7150, 7688, 8060, 8525, 8800, 8866, 9152, 9610, 9920, 10075, 10400, 10571, 10912, 11440, 12400, 12493, 12896, 13640, 14300, 15376, 16120, 17050, 17600, 17732, 19220, 20150, 20800, 21142, 21824, 22165, 22880, 24025, 24800, 24986, 25792, 27280, 28600, 30752, 32240, 34100, 35464, 38440, 40300, 42284, 44330, 45760, 48050, 49600, 49972, 52855, 54560, 57200, 61504, 62465, 64480, 68200, 70928, 76880, 80600, 84568, 88660, 96100, 99944, 105710, 109120, 110825, 114400, 124930, 128960, 136400, 137423, 141856, 153760, 161200, 169136, 177320, 192200, 199888, 211420, 221650, 228800, 249860, 264275, 272800, 274846, 283712, 307520, 312325, 322400, 338272, 354640, 384400, 399776, 422840, 443300, 499720, 528550, 545600, 549692, 624650, 644800, 676544, 687115, 709280, 768800, 799552, 845680, 886600, 999440, 1057100, 1099384, 1249300, 1374230, 1418560, 1537600, 1691360, 1773200, 1998880, 2114200, 2198768, 2498600, 2748460, 3382720, 3435575, 3546400, 3997760, 4228400, 4397536, 4997200, 5496920, 6871150, 7092800, 8456800, 8795072, 9994400, 10993840, 13742300, 16913600, 19988800, 21987680, 27484600, 43975360, 54969200, 109938400, 219876800]

約数ペア:

[(1, 219876800), (2, 109938400), (4, 54969200), (5, 43975360), (8, 27484600), (10, 21987680), (11, 19988800), (13, 16913600), (16, 13742300), (20, 10993840), (22, 9994400), (25, 8795072), (26, 8456800), (31, 7092800), (32, 6871150), (40, 5496920), (44, 4997200), (50, 4397536), (52, 4228400), (55, 3997760), (62, 3546400), (64, 3435575), (65, 3382720), (80, 2748460), (88, 2498600), (100, 2198768), (104, 2114200), (110, 1998880), (124, 1773200), (130, 1691360), (143, 1537600), (155, 1418560), (160, 1374230), (176, 1249300), (200, 1099384), (208, 1057100), (220, 999440), (248, 886600), (260, 845680), (275, 799552), (286, 768800), (310, 709280), (320, 687115), (325, 676544), (341, 644800), (352, 624650), (400, 549692), (403, 545600), (416, 528550), (440, 499720), (496, 443300), (520, 422840), (550, 399776), (572, 384400), (620, 354640), (650, 338272), (682, 322400), (704, 312325), (715, 307520), (775, 283712), (800, 274846), (806, 272800), (832, 264275), (880, 249860), (961, 228800), (992, 221650), (1040, 211420), (1100, 199888), (1144, 192200), (1240, 177320), (1300, 169136), (1364, 161200), (1430, 153760), (1550, 141856), (1600, 137423), (1612, 136400), (1705, 128960), (1760, 124930), (1922, 114400), (1984, 110825), (2015, 109120), (2080, 105710), (2200, 99944), (2288, 96100), (2480, 88660), (2600, 84568), (2728, 80600), (2860, 76880), (3100, 70928), (3224, 68200), (3410, 64480), (3520, 62465), (3575, 61504), (3844, 57200), (4030, 54560), (4160, 52855), (4400, 49972), (4433, 49600), (4576, 48050), (4805, 45760), (4960, 44330), (5200, 42284), (5456, 40300), (5720, 38440), (6200, 35464), (6448, 34100), (6820, 32240), (7150, 30752), (7688, 28600), (8060, 27280), (8525, 25792), (8800, 24986), (8866, 24800), (9152, 24025), (9610, 22880), (9920, 22165), (10075, 21824), (10400, 21142), (10571, 20800), (10912, 20150), (11440, 19220), (12400, 17732), (12493, 17600), (12896, 17050), (13640, 16120), (14300, 15376)]