31193820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1344

約数の個数: 144

約数和(自身を含む): 113917440

約数和(自身を除く): 82723620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1303, 1330, 1596, 1710, 1995, 2394, 2606, 2660, 3420, 3909, 3990, 4788, 5212, 5985, 6515, 7818, 7980, 9121, 11727, 11970, 13030, 15636, 18242, 19545, 23454, 23940, 24757, 26060, 27363, 36484, 39090, 45605, 46908, 49514, 54726, 58635, 74271, 78180, 82089, 91210, 99028, 109452, 117270, 123785, 136815, 148542, 164178, 173299, 182420, 222813, 234540, 247570, 273630, 297084, 328356, 346598, 371355, 410445, 445626, 495140, 519897, 547260, 693196, 742710, 820890, 866495, 891252, 1039794, 1114065, 1485420, 1559691, 1641780, 1732990, 2079588, 2228130, 2599485, 3119382, 3465980, 4456260, 5198970, 6238764, 7798455, 10397940, 15596910, 31193820]

約数ペア:

[(1, 31193820), (2, 15596910), (3, 10397940), (4, 7798455), (5, 6238764), (6, 5198970), (7, 4456260), (9, 3465980), (10, 3119382), (12, 2599485), (14, 2228130), (15, 2079588), (18, 1732990), (19, 1641780), (20, 1559691), (21, 1485420), (28, 1114065), (30, 1039794), (35, 891252), (36, 866495), (38, 820890), (42, 742710), (45, 693196), (57, 547260), (60, 519897), (63, 495140), (70, 445626), (76, 410445), (84, 371355), (90, 346598), (95, 328356), (105, 297084), (114, 273630), (126, 247570), (133, 234540), (140, 222813), (171, 182420), (180, 173299), (190, 164178), (210, 148542), (228, 136815), (252, 123785), (266, 117270), (285, 109452), (315, 99028), (342, 91210), (380, 82089), (399, 78180), (420, 74271), (532, 58635), (570, 54726), (630, 49514), (665, 46908), (684, 45605), (798, 39090), (855, 36484), (1140, 27363), (1197, 26060), (1260, 24757), (1303, 23940), (1330, 23454), (1596, 19545), (1710, 18242), (1995, 15636), (2394, 13030), (2606, 11970), (2660, 11727), (3420, 9121), (3909, 7980), (3990, 7818), (4788, 6515), (5212, 5985)]