71738940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1877}}^1$

素因数の和:1916

約数の個数: 144

約数和(自身を含む): 251772192

約数和(自身を除く): 180033252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1877, 1911, 2548, 2730, 2940, 3185, 3754, 3822, 5460, 5631, 6370, 7508, 7644, 9385, 9555, 11262, 12740, 13139, 18770, 19110, 22524, 24401, 26278, 28155, 37540, 38220, 39417, 48802, 52556, 56310, 65695, 73203, 78834, 91973, 97604, 112620, 122005, 131390, 146406, 157668, 170807, 183946, 197085, 244010, 262780, 275919, 292812, 341614, 366015, 367892, 394170, 459865, 488020, 512421, 551838, 683228, 732030, 788340, 854035, 919730, 1024842, 1103676, 1195649, 1379595, 1464060, 1708070, 1839460, 2049684, 2391298, 2562105, 2759190, 3416140, 3586947, 4782596, 5124210, 5518380, 5978245, 7173894, 10248420, 11956490, 14347788, 17934735, 23912980, 35869470, 71738940]

約数ペア:

[(1, 71738940), (2, 35869470), (3, 23912980), (4, 17934735), (5, 14347788), (6, 11956490), (7, 10248420), (10, 7173894), (12, 5978245), (13, 5518380), (14, 5124210), (15, 4782596), (20, 3586947), (21, 3416140), (26, 2759190), (28, 2562105), (30, 2391298), (35, 2049684), (39, 1839460), (42, 1708070), (49, 1464060), (52, 1379595), (60, 1195649), (65, 1103676), (70, 1024842), (78, 919730), (84, 854035), (91, 788340), (98, 732030), (105, 683228), (130, 551838), (140, 512421), (147, 488020), (156, 459865), (182, 394170), (195, 367892), (196, 366015), (210, 341614), (245, 292812), (260, 275919), (273, 262780), (294, 244010), (364, 197085), (390, 183946), (420, 170807), (455, 157668), (490, 146406), (546, 131390), (588, 122005), (637, 112620), (735, 97604), (780, 91973), (910, 78834), (980, 73203), (1092, 65695), (1274, 56310), (1365, 52556), (1470, 48802), (1820, 39417), (1877, 38220), (1911, 37540), (2548, 28155), (2730, 26278), (2940, 24401), (3185, 22524), (3754, 19110), (3822, 18770), (5460, 13139), (5631, 12740), (6370, 11262), (7508, 9555), (7644, 9385)]