220972960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 192

約数和(自身を含む): 609638400

約数和(自身を除く): 388665440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 32, 40, 46, 52, 62, 65, 80, 92, 104, 115, 124, 130, 149, 155, 160, 184, 208, 230, 248, 260, 298, 299, 310, 368, 403, 416, 460, 496, 520, 596, 598, 620, 713, 736, 745, 806, 920, 992, 1040, 1192, 1196, 1240, 1426, 1490, 1495, 1612, 1840, 1937, 2015, 2080, 2384, 2392, 2480, 2852, 2980, 2990, 3224, 3427, 3565, 3680, 3874, 4030, 4619, 4768, 4784, 4960, 5704, 5960, 5980, 6448, 6854, 7130, 7748, 8060, 9238, 9269, 9568, 9685, 11408, 11920, 11960, 12896, 13708, 14260, 15496, 16120, 17135, 18476, 18538, 19370, 22816, 23095, 23840, 23920, 27416, 28520, 30992, 32240, 34270, 36952, 37076, 38740, 44551, 46190, 46345, 47840, 54832, 57040, 60047, 61984, 64480, 68540, 73904, 74152, 77480, 89102, 92380, 92690, 106237, 109664, 114080, 120094, 137080, 147808, 148304, 154960, 178204, 184760, 185380, 212474, 222755, 240188, 274160, 296608, 300235, 309920, 356408, 369520, 370760, 424948, 445510, 480376, 531185, 548320, 600470, 712816, 739040, 741520, 849896, 891020, 960752, 1062370, 1200940, 1381081, 1425632, 1483040, 1699792, 1782040, 1921504, 2124740, 2401880, 2762162, 3399584, 3564080, 4249480, 4803760, 5524324, 6905405, 7128160, 8498960, 9607520, 11048648, 13810810, 16997920, 22097296, 27621620, 44194592, 55243240, 110486480, 220972960]

約数ペア:

[(1, 220972960), (2, 110486480), (4, 55243240), (5, 44194592), (8, 27621620), (10, 22097296), (13, 16997920), (16, 13810810), (20, 11048648), (23, 9607520), (26, 8498960), (31, 7128160), (32, 6905405), (40, 5524324), (46, 4803760), (52, 4249480), (62, 3564080), (65, 3399584), (80, 2762162), (92, 2401880), (104, 2124740), (115, 1921504), (124, 1782040), (130, 1699792), (149, 1483040), (155, 1425632), (160, 1381081), (184, 1200940), (208, 1062370), (230, 960752), (248, 891020), (260, 849896), (298, 741520), (299, 739040), (310, 712816), (368, 600470), (403, 548320), (416, 531185), (460, 480376), (496, 445510), (520, 424948), (596, 370760), (598, 369520), (620, 356408), (713, 309920), (736, 300235), (745, 296608), (806, 274160), (920, 240188), (992, 222755), (1040, 212474), (1192, 185380), (1196, 184760), (1240, 178204), (1426, 154960), (1490, 148304), (1495, 147808), (1612, 137080), (1840, 120094), (1937, 114080), (2015, 109664), (2080, 106237), (2384, 92690), (2392, 92380), (2480, 89102), (2852, 77480), (2980, 74152), (2990, 73904), (3224, 68540), (3427, 64480), (3565, 61984), (3680, 60047), (3874, 57040), (4030, 54832), (4619, 47840), (4768, 46345), (4784, 46190), (4960, 44551), (5704, 38740), (5960, 37076), (5980, 36952), (6448, 34270), (6854, 32240), (7130, 30992), (7748, 28520), (8060, 27416), (9238, 23920), (9269, 23840), (9568, 23095), (9685, 22816), (11408, 19370), (11920, 18538), (11960, 18476), (12896, 17135), (13708, 16120), (14260, 15496)]