31307760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:156

約数の個数: 240

約数和(自身を含む): 118385280

約数和(自身を除く): 87077520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 59, 60, 66, 67, 72, 80, 88, 90, 99, 110, 118, 120, 132, 134, 144, 165, 176, 177, 180, 198, 201, 220, 236, 240, 264, 268, 295, 330, 335, 354, 360, 396, 402, 440, 472, 495, 528, 531, 536, 590, 603, 649, 660, 670, 708, 720, 737, 792, 804, 880, 885, 944, 990, 1005, 1062, 1072, 1180, 1206, 1298, 1320, 1340, 1416, 1474, 1584, 1608, 1770, 1947, 1980, 2010, 2124, 2211, 2360, 2412, 2596, 2640, 2655, 2680, 2832, 2948, 3015, 3216, 3245, 3540, 3685, 3894, 3953, 3960, 4020, 4248, 4422, 4720, 4824, 5192, 5310, 5360, 5841, 5896, 6030, 6490, 6633, 7080, 7370, 7788, 7906, 7920, 8040, 8496, 8844, 9648, 9735, 10384, 10620, 11055, 11682, 11792, 11859, 12060, 12980, 13266, 14160, 14740, 15576, 15812, 16080, 17688, 19470, 19765, 21240, 22110, 23364, 23718, 24120, 25960, 26532, 29205, 29480, 31152, 31624, 33165, 35376, 35577, 38940, 39530, 42480, 43483, 44220, 46728, 47436, 48240, 51920, 53064, 58410, 58960, 59295, 63248, 66330, 71154, 77880, 79060, 86966, 88440, 93456, 94872, 106128, 116820, 118590, 130449, 132660, 142308, 155760, 158120, 173932, 176880, 177885, 189744, 217415, 233640, 237180, 260898, 265320, 284616, 316240, 347864, 355770, 391347, 434830, 467280, 474360, 521796, 530640, 569232, 652245, 695728, 711540, 782694, 869660, 948720, 1043592, 1304490, 1423080, 1565388, 1739320, 1956735, 2087184, 2608980, 2846160, 3130776, 3478640, 3913470, 5217960, 6261552, 7826940, 10435920, 15653880, 31307760]

約数ペア:

[(1, 31307760), (2, 15653880), (3, 10435920), (4, 7826940), (5, 6261552), (6, 5217960), (8, 3913470), (9, 3478640), (10, 3130776), (11, 2846160), (12, 2608980), (15, 2087184), (16, 1956735), (18, 1739320), (20, 1565388), (22, 1423080), (24, 1304490), (30, 1043592), (33, 948720), (36, 869660), (40, 782694), (44, 711540), (45, 695728), (48, 652245), (55, 569232), (59, 530640), (60, 521796), (66, 474360), (67, 467280), (72, 434830), (80, 391347), (88, 355770), (90, 347864), (99, 316240), (110, 284616), (118, 265320), (120, 260898), (132, 237180), (134, 233640), (144, 217415), (165, 189744), (176, 177885), (177, 176880), (180, 173932), (198, 158120), (201, 155760), (220, 142308), (236, 132660), (240, 130449), (264, 118590), (268, 116820), (295, 106128), (330, 94872), (335, 93456), (354, 88440), (360, 86966), (396, 79060), (402, 77880), (440, 71154), (472, 66330), (495, 63248), (528, 59295), (531, 58960), (536, 58410), (590, 53064), (603, 51920), (649, 48240), (660, 47436), (670, 46728), (708, 44220), (720, 43483), (737, 42480), (792, 39530), (804, 38940), (880, 35577), (885, 35376), (944, 33165), (990, 31624), (1005, 31152), (1062, 29480), (1072, 29205), (1180, 26532), (1206, 25960), (1298, 24120), (1320, 23718), (1340, 23364), (1416, 22110), (1474, 21240), (1584, 19765), (1608, 19470), (1770, 17688), (1947, 16080), (1980, 15812), (2010, 15576), (2124, 14740), (2211, 14160), (2360, 13266), (2412, 12980), (2596, 12060), (2640, 11859), (2655, 11792), (2680, 11682), (2832, 11055), (2948, 10620), (3015, 10384), (3216, 9735), (3245, 9648), (3540, 8844), (3685, 8496), (3894, 8040), (3953, 7920), (3960, 7906), (4020, 7788), (4248, 7370), (4422, 7080), (4720, 6633), (4824, 6490), (5192, 6030), (5310, 5896), (5360, 5841)]