15884820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{1801}}^1$

素因数の和:1830

約数の個数: 108

約数和(自身を含む): 56081844

約数和(自身を除く): 40197024

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 1801, 2205, 2940, 3602, 4410, 5403, 7204, 8820, 9005, 10806, 12607, 16209, 18010, 21612, 25214, 27015, 32418, 36020, 37821, 50428, 54030, 63035, 64836, 75642, 81045, 88249, 108060, 113463, 126070, 151284, 162090, 176498, 189105, 226926, 252140, 264747, 324180, 352996, 378210, 441245, 453852, 529494, 567315, 756420, 794241, 882490, 1058988, 1134630, 1323735, 1588482, 1764980, 2269260, 2647470, 3176964, 3971205, 5294940, 7942410, 15884820]

約数ペア:

[(1, 15884820), (2, 7942410), (3, 5294940), (4, 3971205), (5, 3176964), (6, 2647470), (7, 2269260), (9, 1764980), (10, 1588482), (12, 1323735), (14, 1134630), (15, 1058988), (18, 882490), (20, 794241), (21, 756420), (28, 567315), (30, 529494), (35, 453852), (36, 441245), (42, 378210), (45, 352996), (49, 324180), (60, 264747), (63, 252140), (70, 226926), (84, 189105), (90, 176498), (98, 162090), (105, 151284), (126, 126070), (140, 113463), (147, 108060), (180, 88249), (196, 81045), (210, 75642), (245, 64836), (252, 63035), (294, 54030), (315, 50428), (420, 37821), (441, 36020), (490, 32418), (588, 27015), (630, 25214), (735, 21612), (882, 18010), (980, 16209), (1260, 12607), (1470, 10806), (1764, 9005), (1801, 8820), (2205, 7204), (2940, 5403), (3602, 4410)]