215216820

素因数分解:

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

素因数の和:1919

約数の個数: 216

約数和(自身を含む): 818259624

約数和(自身を除く): 603042804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 294, 315, 364, 390, 420, 441, 455, 468, 490, 546, 585, 588, 630, 637, 735, 780, 819, 882, 910, 980, 1092, 1170, 1260, 1274, 1365, 1470, 1638, 1764, 1820, 1877, 1911, 2205, 2340, 2548, 2730, 2940, 3185, 3276, 3754, 3822, 4095, 4410, 5460, 5631, 5733, 6370, 7508, 7644, 8190, 8820, 9385, 9555, 11262, 11466, 12740, 13139, 16380, 16893, 18770, 19110, 22524, 22932, 24401, 26278, 28155, 28665, 33786, 37540, 38220, 39417, 48802, 52556, 56310, 57330, 65695, 67572, 73203, 78834, 84465, 91973, 97604, 112620, 114660, 118251, 122005, 131390, 146406, 157668, 168930, 170807, 183946, 197085, 219609, 236502, 244010, 262780, 275919, 292812, 337860, 341614, 366015, 367892, 394170, 439218, 459865, 473004, 488020, 512421, 551838, 591255, 683228, 732030, 788340, 827757, 854035, 878436, 919730, 1024842, 1098045, 1103676, 1182510, 1195649, 1379595, 1464060, 1537263, 1655514, 1708070, 1839460, 2049684, 2196090, 2365020, 2391298, 2562105, 2759190, 3074526, 3311028, 3416140, 3586947, 4138785, 4392180, 4782596, 5124210, 5518380, 5978245, 6149052, 7173894, 7686315, 8277570, 10248420, 10760841, 11956490, 14347788, 15372630, 16555140, 17934735, 21521682, 23912980, 30745260, 35869470, 43043364, 53804205, 71738940, 107608410, 215216820]

約数ペア:

[(1, 215216820), (2, 107608410), (3, 71738940), (4, 53804205), (5, 43043364), (6, 35869470), (7, 30745260), (9, 23912980), (10, 21521682), (12, 17934735), (13, 16555140), (14, 15372630), (15, 14347788), (18, 11956490), (20, 10760841), (21, 10248420), (26, 8277570), (28, 7686315), (30, 7173894), (35, 6149052), (36, 5978245), (39, 5518380), (42, 5124210), (45, 4782596), (49, 4392180), (52, 4138785), (60, 3586947), (63, 3416140), (65, 3311028), (70, 3074526), (78, 2759190), (84, 2562105), (90, 2391298), (91, 2365020), (98, 2196090), (105, 2049684), (117, 1839460), (126, 1708070), (130, 1655514), (140, 1537263), (147, 1464060), (156, 1379595), (180, 1195649), (182, 1182510), (195, 1103676), (196, 1098045), (210, 1024842), (234, 919730), (245, 878436), (252, 854035), (260, 827757), (273, 788340), (294, 732030), (315, 683228), (364, 591255), (390, 551838), (420, 512421), (441, 488020), (455, 473004), (468, 459865), (490, 439218), (546, 394170), (585, 367892), (588, 366015), (630, 341614), (637, 337860), (735, 292812), (780, 275919), (819, 262780), (882, 244010), (910, 236502), (980, 219609), (1092, 197085), (1170, 183946), (1260, 170807), (1274, 168930), (1365, 157668), (1470, 146406), (1638, 131390), (1764, 122005), (1820, 118251), (1877, 114660), (1911, 112620), (2205, 97604), (2340, 91973), (2548, 84465), (2730, 78834), (2940, 73203), (3185, 67572), (3276, 65695), (3754, 57330), (3822, 56310), (4095, 52556), (4410, 48802), (5460, 39417), (5631, 38220), (5733, 37540), (6370, 33786), (7508, 28665), (7644, 28155), (8190, 26278), (8820, 24401), (9385, 22932), (9555, 22524), (11262, 19110), (11466, 18770), (12740, 16893), (13139, 16380)]