311989860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{907}}^1$

素因数の和:952

約数の個数: 288

約数和(自身を含む): 1217301120

約数和(自身を除く): 905311260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 49, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 108, 117, 126, 130, 135, 140, 147, 156, 180, 182, 189, 195, 196, 210, 234, 245, 252, 260, 270, 273, 294, 315, 351, 364, 378, 390, 420, 441, 455, 468, 490, 540, 546, 585, 588, 630, 637, 702, 735, 756, 780, 819, 882, 907, 910, 945, 980, 1092, 1170, 1260, 1274, 1323, 1365, 1404, 1470, 1638, 1755, 1764, 1814, 1820, 1890, 1911, 2205, 2340, 2457, 2548, 2646, 2721, 2730, 2940, 3185, 3276, 3510, 3628, 3780, 3822, 4095, 4410, 4535, 4914, 5292, 5442, 5460, 5733, 6349, 6370, 6615, 7020, 7644, 8163, 8190, 8820, 9070, 9555, 9828, 10884, 11466, 11791, 12285, 12698, 12740, 13230, 13605, 16326, 16380, 17199, 18140, 19047, 19110, 22932, 23582, 24489, 24570, 25396, 26460, 27210, 28665, 31745, 32652, 34398, 35373, 38094, 38220, 40815, 44443, 47164, 48978, 49140, 54420, 57141, 57330, 58955, 63490, 68796, 70746, 76188, 81630, 82537, 85995, 88886, 95235, 97956, 106119, 114282, 114660, 117910, 122445, 126980, 133329, 141492, 163260, 165074, 171423, 171990, 176865, 177772, 190470, 212238, 222215, 228564, 235820, 244890, 247611, 266658, 285705, 318357, 330148, 342846, 343980, 353730, 380940, 399987, 412685, 424476, 444430, 489780, 495222, 530595, 533316, 571410, 577759, 636714, 666645, 685692, 707460, 742833, 799974, 825370, 857115, 888860, 990444, 1061190, 1142820, 1155518, 1199961, 1238055, 1273428, 1333290, 1485666, 1591785, 1599948, 1650740, 1714230, 1733277, 1999935, 2122380, 2228499, 2311036, 2399922, 2476110, 2666580, 2888795, 2971332, 3183570, 3428460, 3466554, 3714165, 3999870, 4456998, 4799844, 4952220, 5199831, 5777590, 5999805, 6367140, 6933108, 7428330, 7999740, 8666385, 8913996, 10399662, 11142495, 11555180, 11999610, 14856660, 15599493, 17332770, 20799324, 22284990, 23999220, 25999155, 31198986, 34665540, 44569980, 51998310, 62397972, 77997465, 103996620, 155994930, 311989860]

約数ペア:

[(1, 311989860), (2, 155994930), (3, 103996620), (4, 77997465), (5, 62397972), (6, 51998310), (7, 44569980), (9, 34665540), (10, 31198986), (12, 25999155), (13, 23999220), (14, 22284990), (15, 20799324), (18, 17332770), (20, 15599493), (21, 14856660), (26, 11999610), (27, 11555180), (28, 11142495), (30, 10399662), (35, 8913996), (36, 8666385), (39, 7999740), (42, 7428330), (45, 6933108), (49, 6367140), (52, 5999805), (54, 5777590), (60, 5199831), (63, 4952220), (65, 4799844), (70, 4456998), (78, 3999870), (84, 3714165), (90, 3466554), (91, 3428460), (98, 3183570), (105, 2971332), (108, 2888795), (117, 2666580), (126, 2476110), (130, 2399922), (135, 2311036), (140, 2228499), (147, 2122380), (156, 1999935), (180, 1733277), (182, 1714230), (189, 1650740), (195, 1599948), (196, 1591785), (210, 1485666), (234, 1333290), (245, 1273428), (252, 1238055), (260, 1199961), (270, 1155518), (273, 1142820), (294, 1061190), (315, 990444), (351, 888860), (364, 857115), (378, 825370), (390, 799974), (420, 742833), (441, 707460), (455, 685692), (468, 666645), (490, 636714), (540, 577759), (546, 571410), (585, 533316), (588, 530595), (630, 495222), (637, 489780), (702, 444430), (735, 424476), (756, 412685), (780, 399987), (819, 380940), (882, 353730), (907, 343980), (910, 342846), (945, 330148), (980, 318357), (1092, 285705), (1170, 266658), (1260, 247611), (1274, 244890), (1323, 235820), (1365, 228564), (1404, 222215), (1470, 212238), (1638, 190470), (1755, 177772), (1764, 176865), (1814, 171990), (1820, 171423), (1890, 165074), (1911, 163260), (2205, 141492), (2340, 133329), (2457, 126980), (2548, 122445), (2646, 117910), (2721, 114660), (2730, 114282), (2940, 106119), (3185, 97956), (3276, 95235), (3510, 88886), (3628, 85995), (3780, 82537), (3822, 81630), (4095, 76188), (4410, 70746), (4535, 68796), (4914, 63490), (5292, 58955), (5442, 57330), (5460, 57141), (5733, 54420), (6349, 49140), (6370, 48978), (6615, 47164), (7020, 44443), (7644, 40815), (8163, 38220), (8190, 38094), (8820, 35373), (9070, 34398), (9555, 32652), (9828, 31745), (10884, 28665), (11466, 27210), (11791, 26460), (12285, 25396), (12698, 24570), (12740, 24489), (13230, 23582), (13605, 22932), (16326, 19110), (16380, 19047), (17199, 18140)]