16487660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 42577920

約数和(自身を除く): 26090260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 31, 35, 58, 62, 70, 116, 124, 131, 140, 145, 155, 203, 217, 262, 290, 310, 406, 434, 524, 580, 620, 655, 812, 868, 899, 917, 1015, 1085, 1310, 1798, 1834, 2030, 2170, 2620, 3596, 3668, 3799, 4060, 4061, 4340, 4495, 4585, 6293, 7598, 8122, 8990, 9170, 12586, 15196, 16244, 17980, 18340, 18995, 20305, 25172, 26593, 28427, 31465, 37990, 40610, 53186, 56854, 62930, 75980, 81220, 106372, 113708, 117769, 125860, 132965, 142135, 235538, 265930, 284270, 471076, 531860, 568540, 588845, 824383, 1177690, 1648766, 2355380, 3297532, 4121915, 8243830, 16487660]

約数ペア:

[(1, 16487660), (2, 8243830), (4, 4121915), (5, 3297532), (7, 2355380), (10, 1648766), (14, 1177690), (20, 824383), (28, 588845), (29, 568540), (31, 531860), (35, 471076), (58, 284270), (62, 265930), (70, 235538), (116, 142135), (124, 132965), (131, 125860), (140, 117769), (145, 113708), (155, 106372), (203, 81220), (217, 75980), (262, 62930), (290, 56854), (310, 53186), (406, 40610), (434, 37990), (524, 31465), (580, 28427), (620, 26593), (655, 25172), (812, 20305), (868, 18995), (899, 18340), (917, 17980), (1015, 16244), (1085, 15196), (1310, 12586), (1798, 9170), (1834, 8990), (2030, 8122), (2170, 7598), (2620, 6293), (3596, 4585), (3668, 4495), (3799, 4340), (4060, 4061)]