72646420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 202704768

約数和(自身を除く): 130058348

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 49, 55, 70, 77, 92, 98, 110, 115, 140, 154, 161, 196, 220, 230, 245, 253, 293, 308, 322, 385, 460, 490, 506, 539, 586, 644, 770, 805, 980, 1012, 1078, 1127, 1172, 1265, 1465, 1540, 1610, 1771, 2051, 2156, 2254, 2530, 2695, 2930, 3220, 3223, 3542, 4102, 4508, 5060, 5390, 5635, 5860, 6446, 6739, 7084, 8204, 8855, 10255, 10780, 11270, 12397, 12892, 13478, 14357, 16115, 17710, 20510, 22540, 22561, 24794, 26956, 28714, 32230, 33695, 35420, 41020, 45122, 47173, 49588, 57428, 61985, 64460, 67390, 71785, 74129, 90244, 94346, 112805, 123970, 134780, 143570, 148258, 157927, 188692, 225610, 235865, 247940, 287140, 296516, 315854, 330211, 370645, 451220, 471730, 518903, 631708, 660422, 741290, 789635, 943460, 1037806, 1320844, 1482580, 1579270, 1651055, 2075612, 2594515, 3158540, 3302110, 3632321, 5189030, 6604220, 7264642, 10378060, 14529284, 18161605, 36323210, 72646420]

約数ペア:

[(1, 72646420), (2, 36323210), (4, 18161605), (5, 14529284), (7, 10378060), (10, 7264642), (11, 6604220), (14, 5189030), (20, 3632321), (22, 3302110), (23, 3158540), (28, 2594515), (35, 2075612), (44, 1651055), (46, 1579270), (49, 1482580), (55, 1320844), (70, 1037806), (77, 943460), (92, 789635), (98, 741290), (110, 660422), (115, 631708), (140, 518903), (154, 471730), (161, 451220), (196, 370645), (220, 330211), (230, 315854), (245, 296516), (253, 287140), (293, 247940), (308, 235865), (322, 225610), (385, 188692), (460, 157927), (490, 148258), (506, 143570), (539, 134780), (586, 123970), (644, 112805), (770, 94346), (805, 90244), (980, 74129), (1012, 71785), (1078, 67390), (1127, 64460), (1172, 61985), (1265, 57428), (1465, 49588), (1540, 47173), (1610, 45122), (1771, 41020), (2051, 35420), (2156, 33695), (2254, 32230), (2530, 28714), (2695, 26956), (2930, 24794), (3220, 22561), (3223, 22540), (3542, 20510), (4102, 17710), (4508, 16115), (5060, 14357), (5390, 13478), (5635, 12892), (5860, 12397), (6446, 11270), (6739, 10780), (7084, 10255), (8204, 8855)]