15991164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 50319360

約数和(自身を除く): 34328196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 31, 36, 42, 46, 62, 63, 69, 84, 89, 92, 93, 124, 126, 138, 161, 178, 186, 207, 217, 252, 267, 276, 279, 322, 356, 372, 414, 434, 483, 534, 558, 623, 644, 651, 713, 801, 828, 868, 966, 1068, 1116, 1246, 1302, 1426, 1449, 1602, 1869, 1932, 1953, 2047, 2139, 2492, 2604, 2759, 2852, 2898, 3204, 3738, 3906, 4094, 4278, 4991, 5518, 5607, 5796, 6141, 6417, 7476, 7812, 8188, 8277, 8556, 9982, 11036, 11214, 12282, 12834, 14329, 14973, 16554, 18423, 19313, 19964, 22428, 24564, 24831, 25668, 28658, 29946, 33108, 36846, 38626, 42987, 44919, 49662, 57316, 57939, 59892, 63457, 73692, 77252, 85974, 89838, 99324, 115878, 126914, 128961, 171948, 173817, 179676, 190371, 231756, 253828, 257922, 347634, 380742, 444199, 515844, 571113, 695268, 761484, 888398, 1142226, 1332597, 1776796, 2284452, 2665194, 3997791, 5330388, 7995582, 15991164]

約数ペア:

[(1, 15991164), (2, 7995582), (3, 5330388), (4, 3997791), (6, 2665194), (7, 2284452), (9, 1776796), (12, 1332597), (14, 1142226), (18, 888398), (21, 761484), (23, 695268), (28, 571113), (31, 515844), (36, 444199), (42, 380742), (46, 347634), (62, 257922), (63, 253828), (69, 231756), (84, 190371), (89, 179676), (92, 173817), (93, 171948), (124, 128961), (126, 126914), (138, 115878), (161, 99324), (178, 89838), (186, 85974), (207, 77252), (217, 73692), (252, 63457), (267, 59892), (276, 57939), (279, 57316), (322, 49662), (356, 44919), (372, 42987), (414, 38626), (434, 36846), (483, 33108), (534, 29946), (558, 28658), (623, 25668), (644, 24831), (651, 24564), (713, 22428), (801, 19964), (828, 19313), (868, 18423), (966, 16554), (1068, 14973), (1116, 14329), (1246, 12834), (1302, 12282), (1426, 11214), (1449, 11036), (1602, 9982), (1869, 8556), (1932, 8277), (1953, 8188), (2047, 7812), (2139, 7476), (2492, 6417), (2604, 6141), (2759, 5796), (2852, 5607), (2898, 5518), (3204, 4991), (3738, 4278), (3906, 4094)]