55746680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 145704960

約数和(自身を除く): 89958280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 61, 62, 67, 88, 110, 122, 124, 134, 155, 220, 244, 248, 268, 305, 310, 335, 341, 440, 488, 536, 610, 620, 670, 671, 682, 737, 1220, 1240, 1340, 1342, 1364, 1474, 1705, 1891, 2077, 2440, 2680, 2684, 2728, 2948, 3355, 3410, 3685, 3782, 4087, 4154, 5368, 5896, 6710, 6820, 7370, 7564, 8174, 8308, 9455, 10385, 13420, 13640, 14740, 15128, 16348, 16616, 18910, 20435, 20770, 20801, 22847, 26840, 29480, 32696, 37820, 40870, 41540, 41602, 44957, 45694, 75640, 81740, 83080, 83204, 89914, 91388, 104005, 114235, 126697, 163480, 166408, 179828, 182776, 208010, 224785, 228470, 253394, 359656, 416020, 449570, 456940, 506788, 633485, 832040, 899140, 913880, 1013576, 1266970, 1393667, 1798280, 2533940, 2787334, 5067880, 5574668, 6968335, 11149336, 13936670, 27873340, 55746680]

約数ペア:

[(1, 55746680), (2, 27873340), (4, 13936670), (5, 11149336), (8, 6968335), (10, 5574668), (11, 5067880), (20, 2787334), (22, 2533940), (31, 1798280), (40, 1393667), (44, 1266970), (55, 1013576), (61, 913880), (62, 899140), (67, 832040), (88, 633485), (110, 506788), (122, 456940), (124, 449570), (134, 416020), (155, 359656), (220, 253394), (244, 228470), (248, 224785), (268, 208010), (305, 182776), (310, 179828), (335, 166408), (341, 163480), (440, 126697), (488, 114235), (536, 104005), (610, 91388), (620, 89914), (670, 83204), (671, 83080), (682, 81740), (737, 75640), (1220, 45694), (1240, 44957), (1340, 41602), (1342, 41540), (1364, 40870), (1474, 37820), (1705, 32696), (1891, 29480), (2077, 26840), (2440, 22847), (2680, 20801), (2684, 20770), (2728, 20435), (2948, 18910), (3355, 16616), (3410, 16348), (3685, 15128), (3782, 14740), (4087, 13640), (4154, 13420), (5368, 10385), (5896, 9455), (6710, 8308), (6820, 8174), (7370, 7564)]